APA (7th ed.) Citation

Doolittle, R. F. (1990). Molecular evolution: Computer analysis of protein and nucleic acid sequences. Academic Press.

Chicago Style (17th ed.) Citation

Doolittle, Russell F. Molecular Evolution: Computer Analysis of Protein and Nucleic Acid Sequences. San Diego: Academic Press, 1990.

MLA (8th ed.) Citation

Doolittle, Russell F. Molecular Evolution: Computer Analysis of Protein and Nucleic Acid Sequences. Academic Press, 1990.