APA (7th ed.) Citation

Katz, D. (1950). Gestalt psychology: Its nature and significance. The Ronald Press Company.

Chicago Style (17th ed.) Citation

Katz, David. Gestalt Psychology: Its Nature and Significance. New York: The Ronald Press Company, 1950.

MLA (9th ed.) Citation

Katz, David. Gestalt Psychology: Its Nature and Significance. The Ronald Press Company, 1950.