Cita APA (7a ed.)
Christman, R. F. (1973). The Natural Environment: Wastes and Control. Goodyear Publishing Company, Inc..
Cita Chicago Style (17a ed.)
Christman, R. F. The Natural Environment: Wastes and Control. California: Goodyear Publishing Company, Inc., 1973.
Cita MLA (9a ed.)
Christman, R. F. The Natural Environment: Wastes and Control. Goodyear Publishing Company, Inc., 1973.
Precaución: Estas citas no son 100% exactas.