Cita APA (7th ed.)

Suzuki, D. T., Grady, W., & Bateman, R. (2004). Tree: A life story. David Suzuki Founation : Greystone Books : Douglas & McIntyre Pub. Group.

Cita Chicago (17th ed.)

Suzuki, David T., Wayne Grady, i Robert Bateman. Tree: A Life Story. Vancouver, B.C. ; Toronto, Ont. ; Berkeley, Calif.: David Suzuki Founation : Greystone Books : Douglas & McIntyre Pub. Group, 2004.

Cita MLA (9th ed.)

Suzuki, David T., et al. Tree: A Life Story. David Suzuki Founation : Greystone Books : Douglas & McIntyre Pub. Group, 2004.