APA (7th ed.) Citation

Hartman, C. G. (1962). Science and the safe period: A compedium of human reproduction. Williams and Wilkins.

Chicago Style (17th ed.) Citation

Hartman, Carl Gottfried. Science and the Safe Period: A Compedium of Human Reproduction. Baltimore: Williams and Wilkins, 1962.

MLA (9th ed.) Citation

Hartman, Carl Gottfried. Science and the Safe Period: A Compedium of Human Reproduction. Williams and Wilkins, 1962.