APA (7th ed.) Citation

Doolittle. (1987). Of Urfs and orfs ( A Primer on how to Analyze Derived Amino acid sequences: - (1.). University Science Books.

Chicago Style (17th ed.) Citation

Doolittle. Of Urfs and Orfs ( A Primer on How to Analyze Derived Amino Acid Sequences: -. 1. Mill Valley: University Science Books, 1987.

MLA (9th ed.) Citation

Doolittle. Of Urfs and Orfs ( A Primer on How to Analyze Derived Amino Acid Sequences: -. 1. University Science Books, 1987.

Warning: These citations may not always be 100% accurate.