From the APSA Style Manual for Political Science Students, p. 23.
"These are usually best indicated in the text or in a note. Give the name of the person, the means of communication (telephone conversation, personal correspondence, interview, etc.), the date, and (if appropriate) the place."
Only cite secondary sources when you are unable to obtain the original. When you are quoting or paraphrasing information by someone who was quoted in a secondary source, and you have not read the original, you should cite the original source either as a footnote/endnote, or within the text, and then cite the secondary source in the reference list. You should attempt to find and read the original work, if possible.
Format:
Original Article cited in a Text (Footnote or Endnote):
1Author, "Article Title," Journal Title Volume # (Date): Page,
quoted in Author, Title (Place of Publication: Publisher, Date), Page.
Original Book cited in a Text (Footnote or Endnote):
1Author, Book Title, Place of Publication: Publisher, Date, Page,
quoted in Author, Title (Place of Publication: Publisher, Date), Page.
Citing Original Work within the text of your paper and Citing Secondary Text in Reference List:
Citing in Text:
...as noted in Author's "Article Title," from the Date issue of Journal Title (quoted in Author Date)...
Entry in Reference List:
Author. Title. Place of publication: Publisher, Date.
Examples:
Original Article cited in a Text (Footnote or Endnote):
1Dowden, Edward, "Middlemarch and Daniel Deronda," Contemporary
Review 29 (1877) 348-69, quoted in Fleishman, Avrom, George Eliot's
Intellectual Life (Cambridge, UK: Cambridge University Press, 2010), 193.
Citing Original Work within the text of your paper and Citing Secondary Text in Reference List:
1Wolff, Michael, Marian Evans to George Eliot: The Moral and Intellectual
Foundations of Her Career, Princeton, NJ: Princeton University, 1958, 28,
quoted in Fleishman, Avrom, George Eliot's Intellectual Life (Cambridge, UK:
Cambridge University Press, 2010), 64.
Citing Original Work within the text of your paper and Citing Secondary Text in Reference List:
Citing in Text:
...as noted in Wolff's unpublished dissertation, Marian Evans to George
Eliot: The Moral and Intellectual Foundations of Her Career (quoted in
Fleishman 2010)...
Entry in Reference List:
Fleishman, Avrom. George Eliot's Intellectual Life. Cambridge, UK:
Cambridge University Press, 2010.