Cita APA (7th ed.)

Campbell, N. A., Reece, J. B., Krebs, C. J., Ridley, M., Minorsky, P. V., Chappell, M. A., . . . Allen, G. E. (2002). Biology (Sixth edition.). Pearson Education International.

Cita Chicago (17th ed.)

Campbell, Neil A., et al. Biology. Sixth edition. San Francisco, California: Pearson Education International, 2002.

Cita MLA (9th ed.)

Campbell, Neil A., et al. Biology. Sixth edition. Pearson Education International, 2002.