Cita APA (7a ed.)

Draper, R. P. (1999). An introduction to twentieth century poetry in English. MacMillan [etc.].

Cita Chicago Style (17a ed.)

Draper, Ronald P. An Introduction to Twentieth Century Poetry in English. Basingstoke [etc.]: MacMillan [etc.], 1999.

Cita MLA (9a ed.)

Draper, Ronald P. An Introduction to Twentieth Century Poetry in English. MacMillan [etc.], 1999.