APA Edition Citation

Barr, P. J. E., Brake, A. J. E., & Valenzuela, P. E. (1989). Yeast genetic engineering.

Chicago Edition Citation

Barr, Philip J; Ed, Anthony J; Ed Brake, and Pablo; Ed Valenzuela. Yeast Genetic Engineering. Boston, Butterworths, 1989.

MLA Edition Citation

Barr, Philip J; Ed, et al. Yeast Genetic Engineering. 1989.