Simpson, G. G., & Beck, W. S. (1967). Life, an introduction to biology (2a. ed.). s.p.: s.e..
Chicago Style CitationSimpson, George Gaylord, and William S. Beck. Life, an Introduction to Biology. 2a. ed. s.p.: s.e., 1967.
MLA CitationSimpson, George Gaylord, and William S. Beck. Life, an Introduction to Biology. 2a. ed. s.p.: s.e., 1967.
Warning: These citations may not always be 100% accurate.