Cita APA (7th ed.)

Starr, C., Taggart, R., Evers, C., & Starr, L. (2013). Biology: The unity and diversity of life (13th edition.). Brooks/Cole Cengage Learning [distributor].

Cita Chicago (17th ed.)

Starr, Cecie, Ralph Taggart, Christine Evers, i Lisa Starr. Biology: The Unity and Diversity of Life. 13th edition. Pacific Grove, Calif., London: Brooks/Cole Cengage Learning [distributor], 2013.

Cita MLA (9th ed.)

Starr, Cecie, et al. Biology: The Unity and Diversity of Life. 13th edition. Brooks/Cole Cengage Learning [distributor], 2013.