APA aipamena

Perkins, B., & Perkins, G. B. (2002). The American tradition in literature (10th ed.). Boston: McGraw-Hill.

Chicago Style aipamena

Perkins, Barbara, và George B. Perkins. The American Tradition in Literature. 10th ed. Boston: McGraw-Hill, 2002.

MLA aipamena

Perkins, Barbara, và George B. Perkins. The American Tradition in Literature. 10th ed. Boston: McGraw-Hill, 2002.