Cita APA (7th ed.)

Old, R. W, & Primrose, S. B. (1994). Principles of Gene Manipulation: An Introduction to Genetic Engineering (5th ed.). Blackwell Scientific Publications.

Cita Chicago (17th ed.)

Old, R. W, i S. B. Primrose. Principles of Gene Manipulation: An Introduction to Genetic Engineering. 5th ed. Oxford: Blackwell Scientific Publications, 1994.

Cita MLA (9th ed.)

Old, et al. Principles of Gene Manipulation: An Introduction to Genetic Engineering. 5th ed. Blackwell Scientific Publications, 1994.