Cita APA (7th ed.)

Calver, M., Bamford, M., Lymbery, A., & McComb, J. (2009). Environmental biology. AUWSF (021197).

Cita Chicago (17th ed.)

Calver, Mike, Mike Bamford, Alan Lymbery, i Jen McComb. Environmental Biology. Cambridge: AUWSF (021197), 2009.

Cita MLA (9th ed.)

Calver, Mike, et al. Environmental Biology. AUWSF (021197), 2009.