APA (7th ed.) Citation

Allen, C. (1958). Homosexuality: Its nature, causation and treatment. London: Staples Press.

Chicago Style (17th ed.) Citation

Allen, Clifford. Homosexuality: Its Nature, Causation and Treatment. London: Staples Press, 1958.

MLA (8th ed.) Citation

Allen, Clifford. Homosexuality: Its Nature, Causation and Treatment. London: Staples Press, 1958.

Warning: These citations may not always be 100% accurate.