APA (7th ed.) Citation

Bethke, E. G. (1969). Basic drawing for biology students. Thomas.

Chicago Style (17th ed.) Citation

Bethke, Emil G. Basic Drawing for Biology Students. Springfield, Ill.: Thomas, 1969.

MLA (8th ed.) Citation

Bethke, Emil G. Basic Drawing for Biology Students. Thomas, 1969.

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