APA Citation

BLACKWOOD, P. E., Garrels, R. M., & Stephens, M. M. (1991). The world and its wonders. Chicago: Standard Educationl Corporation.

Chicago Style Citation

BLACKWOOD, Paul Everett, Robert M. Garrels, and Margaret McKown Stephens. The World and Its Wonders. Chicago: Standard Educationl Corporation, 1991.

MLA Citation

BLACKWOOD, Paul Everett, Robert M. Garrels, and Margaret McKown Stephens. The World and Its Wonders. Chicago: Standard Educationl Corporation, 1991.

Warning: These citations may not always be 100% accurate.