APA (7th ed.) Citation

Shirley, F. D. (1989). Purification of the product of the unknown gene from the pyrLBIX operon in Escherichia coli. [publisher not identified].

Chicago Style (17th ed.) Citation

Shirley, Francine Dusza. Purification of the Product of the Unknown Gene from the PyrLBIX Operon in Escherichia Coli. [Place of publication not identified]: [publisher not identified], 1989.

MLA (9th ed.) Citation

Shirley, Francine Dusza. Purification of the Product of the Unknown Gene from the PyrLBIX Operon in Escherichia Coli. [publisher not identified], 1989.