APA (7th ed.) Citation
Underhill, S., & Underhill, S. (2004). Straight boys: Vol. 2 (1. edizione.). Gmünder.
Chicago Style (17th ed.) Citation
Underhill, Steven, and Steven Underhill. Straight Boys: Vol. 2. 1. edizione. Berlin: Gmünder, 2004.
MLA (9th ed.) Citation
Underhill, Steven, and Steven Underhill. Straight Boys: Vol. 2. 1. edizione. Gmünder, 2004.
Warning: These citations may not always be 100% accurate.