A guide to modern biology,
by Ella Thea Smith ... and Lynda M. Weber ... drawings by Marion A. Cox.
APA Citation
Smith, E. Thea., Weber, L. M. (1941). A guide to modern biology. New York, Chicago: Harcourt, Brace and company.
MLA Citation
Smith, Ella Thea, and Lynda M Weber. A Guide to Modern Biology. New York, Chicago: Harcourt, Brace and company, 1941.
Warning: These citations may not always be complete (especially for serials).