APA (7. basım) Alıntı

Hopkins, S. a. R. (1984). A recovery plan for marine turtles. National Marine Fisheries Service.

Chicago Style (17. basım) Atıf

Hopkins, S.R. and Richardson. A Recovery Plan for Marine Turtles. Washington, D.C: National Marine Fisheries Service, 1984.

MLA (9th ed.) Atıf

Hopkins, S.R. and Richardson. A Recovery Plan for Marine Turtles. National Marine Fisheries Service, 1984.