APA (7th ed.) Citation
SMITHSON, M., & ET AL. (1991). DIMENSIONS OF HELPING BEHAVIOUR. PERGAMON PRESS.
Chicago Style (17th ed.) Citation
SMITHSON, M., and ET AL. DIMENSIONS OF HELPING BEHAVIOUR. OXFORD: PERGAMON PRESS, 1991.
MLA (9th ed.) Citation
SMITHSON, M., and ET AL. DIMENSIONS OF HELPING BEHAVIOUR. PERGAMON PRESS, 1991.
Warning: These citations may not always be 100% accurate.