Style de citation APA (7e éd.)

Urry, J. B., Ferguson, N., & Mouat, D. A. (1979). A natural resource analysis of the province of Zinder, Niger, using remote sensing techniques. Arid Lands Natural Resources Committee, University of Arizona.

Style de citation Chicago (17e éd.)

Urry, J. B., N. Ferguson, et David A. Mouat. A Natural Resource Analysis of the Province of Zinder, Niger, Using Remote Sensing Techniques. Tucson, Arizona: Arid Lands Natural Resources Committee, University of Arizona, 1979.

Style de citation MLA (8e éd.)

Urry, J. B., et al. A Natural Resource Analysis of the Province of Zinder, Niger, Using Remote Sensing Techniques. Arid Lands Natural Resources Committee, University of Arizona, 1979.