APA (7th ed.) Citation

Smithson, M., Amato, P. R., & Pearce, P. (1983). Dimensions of helping behaviour International series in experimental social psychology.

Chicago Style (17th ed.) Citation

Smithson, Michael, Paul R. Amato, and Philip Pearce. "Dimensions of Helping Behaviour." International Series in Experimental Social Psychology 1983.

MLA (9th ed.) Citation

Smithson, Michael, et al. "Dimensions of Helping Behaviour." International Series in Experimental Social Psychology, 1983.