Cita APA (7a ed.)

FONER, E., & MAHONEY, O. (1990). A house divided: America in the age of Lincoln. CHS and W.W. Norton.

Cita Chicago Style (17a ed.)

FONER, Eric, y Olivia MAHONEY. A House Divided: America in the Age of Lincoln. Ner York: CHS and W.W. Norton, 1990.

Cita MLA (9a ed.)

FONER, Eric, y Olivia MAHONEY. A House Divided: America in the Age of Lincoln. CHS and W.W. Norton, 1990.