APA Style

Khalid, Fazlun M., O'Brian Joanne. (1992). Islam and ecology . London: Cassel.

Chicago Style

Khalid, Fazlun M., O'Brian Joanne. Islam and ecology. London: Cassel, 1992. Text.

MLA Style

Khalid, Fazlun M., O'Brian Joanne. Islam and ecology. London: Cassel, 1992. Text.

Turabian Style

Khalid, Fazlun M., O'Brian Joanne. Islam and ecology. London: Cassel, 1992. Print.