Cita APA

Mansour, J. A., Sheppard, S., & Sayre, R. (1995). Parks in peril source book. Arlington, Virginia, U.S.A.: The Nature Conservancy.

Citación estilo Chicago

Mansour, Jane A., Stuart Sheppard, y Roger Sayre. Parks in Peril Source Book. Arlington, Virginia, U.S.A.: The Nature Conservancy, 1995.

Cita MLA

Mansour, Jane A., Stuart Sheppard, y Roger Sayre. Parks in Peril Source Book. Arlington, Virginia, U.S.A.: The Nature Conservancy, 1995.