Cita APA (7th ed.)

WALLACE, R. A., KING, J. L., & SANDERS, G. P. (1984). Biosphere: The realm of life. Scott.

Cita Chicago (17th ed.)

WALLACE, Robert A., Jack L. KING, i Gerald P. SANDERS. Biosphere: The Realm of Life. Dallas: Scott, 1984.

Cita MLA (9th ed.)

WALLACE, Robert A., et al. Biosphere: The Realm of Life. Scott, 1984.