APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.