Cita APA

Wilhite, D. A., & Hoffman, R. O. (1979). Drought in the great plains: A bibliography. Lincoln, Nebr.: Workshop on Research in Great Plains Drought.

Citación estilo Chicago

Wilhite, Donald A., y Richard O. Hoffman. Drought in the Great Plains: A Bibliography. Lincoln, Nebr.: Workshop on Research in Great Plains Drought, 1979.

Cita MLA

Wilhite, Donald A., y Richard O. Hoffman. Drought in the Great Plains: A Bibliography. Lincoln, Nebr.: Workshop on Research in Great Plains Drought, 1979.