Cita APA (7th ed.)

Villee, C. A., Solomon, E. P., & Davis, P. W. (1985). Biology. Saunders College Publishing.

Cita Chicago (17th ed.)

Villee, Claude A., Eldra Pearl Solomon, i P. William Davis. Biology. Philadelphia: Saunders College Publishing, 1985.

Cita MLA (9th ed.)

Villee, Claude A., et al. Biology. Saunders College Publishing, 1985.