APA (7e ed.) Bronvermelding

Costa, M. A., & Block, J. J. (1962). Reverse sex: By Mario A. Costa. Translation by Jules J. Block (2. Auflage.). Challenge.

Chicago (17e ed.) Bronvermelding

Costa, Mario A., en Jules J. Block. Reverse Sex: By Mario A. Costa. Translation by Jules J. Block. 2. Auflage. London: Challenge, 1962.

MLA (8e ed.) Bronvermelding

Costa, Mario A., en Jules J. Block. Reverse Sex: By Mario A. Costa. Translation by Jules J. Block. 2. Auflage. Challenge, 1962.