Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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