APA
Hergenhahn B., . (1976). An Introduction to theories of learning. [Place of publication not identified]: Prentice Hall.
Chicago
Hergenhahn B.R, . 1976. An Introduction to theories of learning. [Place of publication not identified]: Prentice Hall.
Harvard
Hergenhahn B., . (1976). An Introduction to theories of learning. [Place of publication not identified]: Prentice Hall.
MLA
Hergenhahn B.R, . An Introduction to theories of learning. [Place of publication not identified]: Prentice Hall. 1976.