American Psychological Association
Kagan, Jerome, & Havemann, Ernest ( 1980 ). Psychology: An Introduction ( 04 ed. ). Harper & Row Publishers.
Modern Language Association
Kagan, Jerome and Havemann, Ernest. Psychology: An Introduction . 04 . Harper & Row Publishers. 1980
Chicago Citation
Kagan, Jerome and Havemann, Ernest. Psychology: An Introduction . 04 .New York
: Harper & Row Publishers, 1980.
American Medical Association
Kagan, Jerome and Havemann, Ernest. Psychology: An Introduction . Harper & Row Publishers; 1980.