Gaya APA

Shackelford, T, K., Pound, N. (2006). Sperm Competition in Humans: Classic and Contemporary Readings . New York: Springer Publishing Company, Inc..

Gaya MLA

Shackelford, Todd, K.., Pound, Nicholas. "Sperm Competition in Humans: Classic and Contemporary Readings". New York: Springer Publishing Company, Inc., 2006. Electronic Resource.