Style de citation APA (7e éd.)

Cook, R. C., & Lecht, J. (1968). People!: An introduction to the study of population. Columbia Books.

Style de citation Chicago (17e éd.)

Cook, Robert C., et Jane Lecht. People!: An Introduction to the Study of Population. Washington: Columbia Books, 1968.

Style de citation MLA (9e éd.)

Cook, Robert C., et Jane Lecht. People!: An Introduction to the Study of Population. Columbia Books, 1968.