Cita APA (7th ed.)

Heyel, C. (1973). The encyclopedia of management (2d ed.). Van Nostrand Reinhold.

Cita Chicago (17th ed.)

Heyel, Carl. The Encyclopedia of Management. 2d ed. New York: Van Nostrand Reinhold, 1973.

Cita MLA (9th ed.)

Heyel, Carl. The Encyclopedia of Management. 2d ed. Van Nostrand Reinhold, 1973.