APA (7th ed.) Zitazioa
David Suzuki Foundation, ebrary, Inc, McKibben, B., & Benjamin, M. (2008). A passion for this Earth. Greystone Books : David Suzuki Foundation : Douglas & McIntyre Pub. Group.
Chicago Style (17th ed.) Zitazioa
David Suzuki Foundation, Inc ebrary, Bill McKibben, eta Michelle Benjamin. A Passion for This Earth. Vancouver, B.C.: Greystone Books : David Suzuki Foundation : Douglas & McIntyre Pub. Group, 2008.
MLA (9th ed.) Zitazioa
David Suzuki Foundation, et al. A Passion for This Earth. Greystone Books : David Suzuki Foundation : Douglas & McIntyre Pub. Group, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.