APA (7th ed.) Zitazioa

Nicholl, D. S. (2008). An introduction to genetic: Engineering. U.pr.

Chicago Style (17th ed.) Zitazioa

Nicholl, Desmond S.T. An Introduction to Genetic: Engineering. Cambridge: U.pr, 2008.

MLA (9th ed.) Zitazioa

Nicholl, Desmond S.T. An Introduction to Genetic: Engineering. U.pr, 2008.