APA (7th ed.) Citation

Guthrie, R. V. (1968). Psychology in the world today: An interdisciplinary approach. Addison-Wesley.

Chicago Style (17th ed.) Citation

Guthrie, Robert V. Psychology in the World Today: An Interdisciplinary Approach. Reading, Mass: Addison-Wesley, 1968.

MLA (9th ed.) Citation

Guthrie, Robert V. Psychology in the World Today: An Interdisciplinary Approach. Addison-Wesley, 1968.