Marcus, E. (2005). Is it a choice?: Answers to the most frequently asked questions about gay and lesbian people (Revised ed.). HarperSanFrancisco.
Chicago-Zitierstil (17. Ausg.)Marcus, Eric. Is It a Choice?: Answers to the Most Frequently Asked Questions About Gay and Lesbian People. Revised ed. San Francisco: HarperSanFrancisco, 2005.
MLA-Zitierstil (9. Ausg.)Marcus, Eric. Is It a Choice?: Answers to the Most Frequently Asked Questions About Gay and Lesbian People. Revised ed. HarperSanFrancisco, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.