Cita APA (7a ed.)

Perkins, G., & Perkins, B. (1999). The AMERICAN tradition in literature (9th ed.). McGraw-HIll College.

Cita Chicago Style (17a ed.)

Perkins, George, y Barbara Perkins. The AMERICAN Tradition in Literature. 9th ed. Boston: McGraw-HIll College, 1999.

Cita MLA (8a ed.)

Perkins, George, y Barbara Perkins. The AMERICAN Tradition in Literature. 9th ed. McGraw-HIll College, 1999.