APA
Brewer R., . (1994). The Science of ecology 2nd ed. [Place of publication not identified]: Saunders College Publishing.
Chicago
Brewer Richard, . 1994. The Science of ecology 2nd ed. [Place of publication not identified]: Saunders College Publishing.
Harvard
Brewer R., . (1994). The Science of ecology 2nd ed. [Place of publication not identified]: Saunders College Publishing.
MLA
Brewer Richard, . The Science of ecology 2nd ed. [Place of publication not identified]: Saunders College Publishing. 1994.