APA (7th ed.) Citation

Tackett, J. L. (2000). Individual differences in helping behavior. [publisher not identified].

Chicago Style (17th ed.) Citation

Tackett, Jennifer Lee. Individual Differences in Helping Behavior. [Place of publication not identified]: [publisher not identified], 2000.

MLA (9th ed.) Citation

Tackett, Jennifer Lee. Individual Differences in Helping Behavior. [publisher not identified], 2000.