Cita APA

National Park Service. (1980). Proceedings of barrier island: Forum and workshop (Provincetown, Massachusettes May 28-30, 1980 (1a. ed.). Boston, USA: National Park Service.

Citación estilo Chicago

National Park Service. Proceedings of Barrier Island: Forum and Workshop (Provincetown, Massachusettes May 28-30, 1980. 1a. ed. Boston, USA: National Park Service, 1980.

Cita MLA

National Park Service. Proceedings of Barrier Island: Forum and Workshop (Provincetown, Massachusettes May 28-30, 1980. 1a. ed. Boston, USA: National Park Service, 1980.