APA aipamena

Billeter, P. A., & Paul A. Billeter; Robert R. Given. (2004). Endless Voyage study guide. [Pittsburgh, Pa.]: International Poetry Forum.

Chicago Style aipamena

Billeter, Paul A., và Paul A. Billeter; Robert R. Given. Endless Voyage Study Guide. [Pittsburgh, Pa.]: International Poetry Forum, 2004.

MLA aipamena

Billeter, Paul A., và Paul A. Billeter; Robert R. Given. Endless Voyage Study Guide. [Pittsburgh, Pa.]: International Poetry Forum, 2004.