Bradbury, . M., Mottram , . E., & Franco, J. (1971). The Penguin companion to American literature. McGraw-Hill.
Cita Chicago Style (17a ed.)Bradbury, Malcolm, Eric Mottram , y Jean Franco. The Penguin Companion to American Literature. New York: McGraw-Hill, 1971.
Cita MLA (9a ed.)Bradbury, Malcolm, et al. The Penguin Companion to American Literature. McGraw-Hill, 1971.
Precaución: Estas citas no son 100% exactas.