John Wesley Powell :
soldier, explorer, scientist /
by Mary C. Rabbitt.

APA Citation

Rabbitt, M. C. (1980). John Wesley Powell: soldier, explorer, scientist. [Arlington, VA]: [U.S. Dept. of the Interior/Geological Survey].

MLA Citation

Rabbitt, Mary C. John Wesley Powell: Soldier, Explorer, Scientist. [Arlington, VA]: [U.S. Dept. of the Interior/Geological Survey], 1980.

Warning: These citations may not always be complete (especially for serials).