APA (7th ed.) Citation

Landis, P. H. (1955). Understanding teen-agers. Appleton-Century-Crofts.

Chicago Style (17th ed.) Citation

Landis, Paul Henry. Understanding Teen-agers. New York: Appleton-Century-Crofts, 1955.

MLA (9th ed.) Citation

Landis, Paul Henry. Understanding Teen-agers. Appleton-Century-Crofts, 1955.

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