Cita APA (7th ed.)
Bettelheim, F. A. (2010). Introduction to general, organic, and biochemistry (9th ed.). Brooks/Cole, Cengage Learning.
Cita Chicago (17th ed.)
Bettelheim, Frederick A. Introduction to General, Organic, and Biochemistry. 9th ed. Boston, MA: Brooks/Cole, Cengage Learning, 2010.
Cita MLA (9th ed.)
Bettelheim, Frederick A. Introduction to General, Organic, and Biochemistry. 9th ed. Brooks/Cole, Cengage Learning, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.