APA (7th ed.) Citation

Young, C. W., Stebbins, G. L., & Hylander, C. J. (1938). The human organism and the world of life: A survey in biological science. Harper & brothers.

Chicago Style (17th ed.) Citation

Young, Clarence Whitford, G. Ledyard Stebbins, and Clarence J. Hylander. The Human Organism and the World of Life: A Survey in Biological Science. New York, London: Harper & brothers, 1938.

MLA (9th ed.) Citation

Young, Clarence Whitford, et al. The Human Organism and the World of Life: A Survey in Biological Science. Harper & brothers, 1938.