APA (7th ed.) Citation

McFadden, C. H., & Keeton, W. T. (1995). Biology: An exploration of life. Norton.

Chicago Style (17th ed.) Citation

McFadden, Carol Hardy, and William T. Keeton. Biology: An Exploration of Life. New York: Norton, 1995.

MLA (9th ed.) Citation

McFadden, Carol Hardy, and William T. Keeton. Biology: An Exploration of Life. Norton, 1995.