APA (7th ed.) Citation

Dalton, K. (1969). The menstrual cycle. Penguin.

Chicago Style (17th ed.) Citation

Dalton, Katharina. The Menstrual Cycle. Harmondsworth: Penguin, 1969.

MLA (8th ed.) Citation

Dalton, Katharina. The Menstrual Cycle. Penguin, 1969.

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