Dyfyniad APA

Hergenhahn, B. (1986). An introduction to the history of psychology. Wadsworth.

Dyfyniad Arddull Chicago

Hergenhahn, B.R. An Introduction to the History of Psychology. California: Wadsworth, 1986.

Dyfyniad MLA

Hergenhahn, B.R. An Introduction to the History of Psychology. Wadsworth, 1986.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.