APA način citiranja (7. izdanje)

Galle, J., & Warren, P. (1989). Ecology discovery activities kit: A complete teaching unit for grades 4-8. Center for Applied Research in Education.

Čikaški stil citiranja (17. izdanje)

Galle, Janet, i Patricia Warren. Ecology Discovery Activities Kit: A Complete Teaching Unit for Grades 4-8. West Nyack, N.Y: Center for Applied Research in Education, 1989.

MLA način citiranja (9. izdanje)

Galle, Janet, i Patricia Warren. Ecology Discovery Activities Kit: A Complete Teaching Unit for Grades 4-8. Center for Applied Research in Education, 1989.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.