Style de citation APA (7e éd.)

Nelson, L. E. (2015). American presidents: Year by year. Routledge.

Style de citation Chicago (17e éd.)

Nelson, Lyle Emerson. American Presidents: Year by Year. London, England ; New York, New York: Routledge, 2015.

Style de citation MLA (8e éd.)

Nelson, Lyle Emerson. American Presidents: Year by Year. Routledge, 2015.