APA (7th ed.) Citation

Fretwell, S. D. (1972). Populations in a seasonal environment. Princeton Univ. Press.

Chicago Style (17th ed.) Citation

Fretwell, Stephen D. Populations in a Seasonal Environment. Princeton, N.J: Princeton Univ. Press, 1972.

MLA (9th ed.) Citation

Fretwell, Stephen D. Populations in a Seasonal Environment. Princeton Univ. Press, 1972.

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