Cita APA (7th ed.)

Tobin, A. J., & Morel, R. E. (1997). Asking about cells. Saunders College Pub. Harcourt Brace College Publishers.

Cita Chicago (17th ed.)

Tobin, Allan J., i Richard E. Morel. Asking About Cells. Fort Worth, TX: Saunders College Pub. Harcourt Brace College Publishers, 1997.

Cita MLA (9th ed.)

Tobin, Allan J., i Richard E. Morel. Asking About Cells. Saunders College Pub. Harcourt Brace College Publishers, 1997.