APA (7th ed.) Citation

Doolittle, R. F. (1986). Of urfs and orfs: A primer on how to analyze derived amino acid sequences. University Science Books.

Chicago Style (17th ed.) Citation

Doolittle, Russell F. Of Urfs and Orfs: A Primer on How to Analyze Derived Amino Acid Sequences. Mill Valley, CA: University Science Books, 1986.

MLA (9th ed.) Citation

Doolittle, Russell F. Of Urfs and Orfs: A Primer on How to Analyze Derived Amino Acid Sequences. University Science Books, 1986.