APA (7th ed.) Citation

Olsson, K., & Rapp, A. (1991). Dryland degradation in central Sudan and conservation for survival. Dep. of Physical Geography, Univ. of Lund.

Chicago Style (17th ed.) Citation

Olsson, Katarina, and Anders Rapp. Dryland Degradation in Central Sudan and Conservation for Survival. Lund: Dep. of Physical Geography, Univ. of Lund, 1991.

MLA (9th ed.) Citation

Olsson, Katarina, and Anders Rapp. Dryland Degradation in Central Sudan and Conservation for Survival. Dep. of Physical Geography, Univ. of Lund, 1991.