Cita APA (7th ed.)

WALLACE, R. A., KING, J. L., & SANDERS, G. Biology the scienceof life.-- Ed.2. Scott.

Cita Chicago (17th ed.)

WALLACE, Robert A., Jack L. KING, i Gerald SANDERS. Biology the Scienceof Life.-- Ed.2. Illinois: Scott.

Cita MLA (9th ed.)

WALLACE, Robert A., et al. Biology the Scienceof Life.-- Ed.2. Scott.