Style de citation APA (7e éd.)

Clotfelter, B. E. (1976). The universe and its structure. McGraw-Hill.

Style de citation Chicago (17e éd.)

Clotfelter, Beryl E.. The Universe and Its Structure. New York: McGraw-Hill, 1976.

Style de citation MLA (9e éd.)

Clotfelter, Beryl E.. The Universe and Its Structure. McGraw-Hill, 1976.