APA استشهاد

Steinhart, C. E., & Steinhart, J. S. (1974). Energy: Sources, use, and role in human affairs. Duxbury Press.

استشهاد بنمط شيكاغو

Steinhart, Carol E., و John S. Steinhart. Energy: Sources, Use, and Role in Human Affairs. North Scituate, Mass.: Duxbury Press, 1974.

MLA استشهاد

Steinhart, Carol E., و John S. Steinhart. Energy: Sources, Use, and Role in Human Affairs. Duxbury Press, 1974.