APA (7th ed.) Citation

Borgstrom, G. (1971). Too many; an ecological overview of earth's limitations. Collier Books.

Chicago Style (17th ed.) Citation

Borgstrom, Georg. Too Many; an Ecological Overview of Earth's Limitations. New York: Collier Books, 1971.

MLA (9th ed.) Citation

Borgstrom, Georg. Too Many; an Ecological Overview of Earth's Limitations. Collier Books, 1971.

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