APA (7th ed.) Citation

Petersen, W. (1961). Population. Macmillan.

Chicago Style (17th ed.) Citation

Petersen, William. Population. New York: Macmillan, 1961.

MLA (9th ed.) Citation

Petersen, William. Population. Macmillan, 1961.

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