APA (7th ed.) Citation

Hertoft, P. (1969). Investigation into the sexual behaviour of young men. Andelsbogtr.

Chicago Style (17th ed.) Citation

Hertoft, Preben. Investigation into the Sexual Behaviour of Young Men. Odense: Andelsbogtr, 1969.

MLA (9th ed.) Citation

Hertoft, Preben. Investigation into the Sexual Behaviour of Young Men. Andelsbogtr, 1969.

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