APA-Zitierstil (7. Ausg.)

Walls, J. (1980). Land, man and sand: Desertification and its solution. Macmillan.

Chicago-Zitierstil (17. Ausg.)

Walls, James. Land, Man and Sand: Desertification and Its Solution. New York: Macmillan, 1980.

MLA-Zitierstil (9. Ausg.)

Walls, James. Land, Man and Sand: Desertification and Its Solution. Macmillan, 1980.