Biology, the science of life,
by Mary Stuart MacDougall ... in collaboration with Robert Hegner ...
APA Citation
MacDougall, M. Stuart., Hegner, R. W. (Robert William). (1943). Biology, the science of life. New York and London: McGraw-Hill Book Company, Inc..
MLA Citation
MacDougall, Mary Stuart, 1885-, and Robert W. (Robert William) Hegner. Biology, the Science of Life. New York and London: McGraw-Hill Book Company, Inc., 1943.
Warning: These citations may not always be complete (especially for serials).