Cita APA (7th ed.)

Association of American Geographers. Commission on College Geography. Panel on Environmental Education, Panel on Environmental Education, Manners, I. R., & Mikesell, M. W. (1974). Perspectives on environment. [Association of American Geographers.

Cita Chicago (17th ed.)

Association of American Geographers. Commission on College Geography. Panel on Environmental Education, Panel on Environmental Education, Ian R. Manners, i Marvin W. Mikesell. Perspectives on Environment. Washington: [Association of American Geographers, 1974.

Cita MLA (9th ed.)

Association of American Geographers. Commission on College Geography. Panel on Environmental Education, et al. Perspectives on Environment. [Association of American Geographers, 1974.