Cita APA

Bell, G. d. (1970). The environmental handbook. New York: Ballantine Books, Inc.

Chicago Style Citation

Bell, Garrett de. The Environmental Handbook. New York: Ballantine Books, Inc, 1970.

Cita MLA

Bell, Garrett de. The Environmental Handbook. New York: Ballantine Books, Inc, 1970.

Atenció: Aquestes cites poden no estar 100% correctes.