APA
Sah A., . (1998). Ecology and the crisis of overpopulation. UK: Anup Shah.
Chicago
Sah Anup, . 1998. Ecology and the crisis of overpopulation. UK: Anup Shah.
Harvard
Sah A., . (1998). Ecology and the crisis of overpopulation. UK: Anup Shah.
MLA
Sah Anup, . Ecology and the crisis of overpopulation. UK: Anup Shah. 1998.