APA (7th ed.) Citation

Bullough, V. L. (1979). The Frontiers of sex research. Prometheus Books.

Chicago Style (17th ed.) Citation

Bullough, Vern L. The Frontiers of Sex Research. Buffalo, N.Y.: Prometheus Books, 1979.

MLA (9th ed.) Citation

Bullough, Vern L. The Frontiers of Sex Research. Prometheus Books, 1979.