Citazione Stile APA (7a Edizione)

Bradbury, . M., Mottram , . E., & Franco, J. (1971). The Penguin companion to American literature. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Bradbury, Malcolm, Eric Mottram , e Jean Franco. The Penguin Companion to American Literature. New York: McGraw-Hill, 1971.

Citatione MLA (9a ed.)

Bradbury, Malcolm, et al. The Penguin Companion to American Literature. McGraw-Hill, 1971.