Marcus, E. (2005). Is it a choice?: Answers to the most frequently asked questions about gay and lesbian people (3rd ed.). HarperSanFrancisco.
Chicago Style (17th ed.) CitationMarcus, Eric. Is It a Choice?: Answers to the Most Frequently Asked Questions About Gay and Lesbian People. 3rd ed. San Francisco: HarperSanFrancisco, 2005.
MLA (8th ed.) CitationMarcus, Eric. Is It a Choice?: Answers to the Most Frequently Asked Questions About Gay and Lesbian People. 3rd ed. HarperSanFrancisco, 2005.
Warning: These citations may not always be 100% accurate.