Cita APA (7a ed.)

Old, R. W., & Primrose, S. B. (1989). Principles of gene manipulation: An introduction to genetic engineering (4th ed.). Blackwell Scientific Publications Distributors, USA, Publishers Business Services.

Cita Chicago Style (17a ed.)

Old, R. W., y S. B. Primrose. Principles of Gene Manipulation: An Introduction to Genetic Engineering. 4th ed. Oxford [England], Boston, Brookline, Mass: Blackwell Scientific Publications Distributors, USA, Publishers Business Services, 1989.

Cita MLA (9a ed.)

Old, R. W., y S. B. Primrose. Principles of Gene Manipulation: An Introduction to Genetic Engineering. 4th ed. Blackwell Scientific Publications Distributors, USA, Publishers Business Services, 1989.