Cita APA

Southwick, C. H. 1. (1972). Ecology and the quality of our environment. New York: Van Nostrand Reinhold Company.

Citación estilo Chicago

Southwick, Charles H. 1928-. Ecology and the Quality of Our Environment. New York: Van Nostrand Reinhold Company, 1972.

Cita MLA

Southwick, Charles H. 1928-. Ecology and the Quality of Our Environment. New York: Van Nostrand Reinhold Company, 1972.