APA استشهاد

Napier, R. W., & Gershenfeld, M. K. (1973). Groups: Theory and experience. Houghton.

استشهاد بنمط شيكاغو

Napier, Rodney W., و Matti K. Gershenfeld. Groups: Theory and Experience. London: Houghton, 1973.

MLA استشهاد

Napier, Rodney W., و Matti K. Gershenfeld. Groups: Theory and Experience. Houghton, 1973.