APA (7th ed.) Citation

Old, R. W., & Primrose, S. B. (1989). Principles of gene manipulation: An introduction to genetic engineering (4a ed.). Blackwell.

Chicago Style (17th ed.) Citation

Old, R. W., and S. B. Primrose. Principles of Gene Manipulation: An Introduction to Genetic Engineering. 4a ed. London: Blackwell, 1989.

MLA (8th ed.) Citation

Old, R. W., and S. B. Primrose. Principles of Gene Manipulation: An Introduction to Genetic Engineering. 4a ed. Blackwell, 1989.