Cita APA

Perkins, B., & Perkins, G. B. (1994). The American tradition in literature (8th ed.). New York: McGraw-Hill.

Chicago Style Citation

Perkins, Barbara, i George B. Perkins. The American Tradition in Literature. 8th ed. New York: McGraw-Hill, 1994.

Cita MLA

Perkins, Barbara, i George B. Perkins. The American Tradition in Literature. 8th ed. New York: McGraw-Hill, 1994.