APA (7 ম সংস্করণ) উদ্ধৃতি

Walker, E. L. (1970). Psychology as a natural and social science. Brooks/Cole Publishing Company.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Walker, Edward L. Psychology as a Natural and Social Science. Belmont, California: Brooks/Cole Publishing Company, 1970.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Walker, Edward L. Psychology as a Natural and Social Science. Brooks/Cole Publishing Company, 1970.