Cita APA (7th ed.)

Hazen, R. M. (2001). The joy of science. The Teaching Co.

Cita Chicago (17th ed.)

Hazen, Robert M. The Joy of Science. Chantilly, VA: The Teaching Co, 2001.

Cita MLA (9th ed.)

Hazen, Robert M. The Joy of Science. The Teaching Co, 2001.