APA (7. basım) Alıntı

Perkins , G., & Perkins, B. (1999). The American tradition in literature (9th ed.). McGraw- Hill.

Chicago Style (17. basım) Atıf

Perkins , George, ve Barbara Perkins. The American Tradition in Literature. 9th ed. Boston: McGraw- Hill, 1999.

MLA (9th ed.) Atıf

Perkins , George, ve Barbara Perkins. The American Tradition in Literature. 9th ed. McGraw- Hill, 1999.