APA Citation

Voskuil, W. H. (1969). A geography of minerals. Dubque, Iowa: Wm. C. Brown.

Chicago Style Citation

Voskuil, Walter H. A Geography of Minerals. Dubque, Iowa: Wm. C. Brown, 1969.

MLA Citation

Voskuil, Walter H. A Geography of Minerals. Dubque, Iowa: Wm. C. Brown, 1969.

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