Παραπομπή σε μορφή APA (7η εκδ.)

Marcus, E. (1993). Is it a choice?: Answers to 300 of the most frequently asked questions about gays and lesbians. HarperSanFrancisco.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Marcus, Eric. Is It a Choice?: Answers to 300 of the Most Frequently Asked Questions About Gays and Lesbians. San Francisco: HarperSanFrancisco, 1993.

Παραπομπή σε μορφή MLA (8th εκδ.)

Marcus, Eric. Is It a Choice?: Answers to 300 of the Most Frequently Asked Questions About Gays and Lesbians. HarperSanFrancisco, 1993.