APA (7th ed.) Citation

Borgstrom, G. (1969). Too many: A study of earth's biological limitations. Collier- Macmillan.

Chicago Style (17th ed.) Citation

Borgstrom, George. Too Many: A Study of Earth's Biological Limitations. London: Collier- Macmillan, 1969.

MLA (9th ed.) Citation

Borgstrom, George. Too Many: A Study of Earth's Biological Limitations. Collier- Macmillan, 1969.

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