Style de citation APA (7e éd.)

Jenkin, R., Howard, W., Thomas, P., Abell, T., & Deane, G. (1977). Forestry development prospects in the Imatong Central Forest Reserve, Southern Sudan: Volume 3 (maps). Land Resources Division, Ministry of Overseas Development.

Style de citation Chicago (17e éd.)

Jenkin, R., W. Howard, P. Thomas, T. Abell, et G. Deane. Forestry Development Prospects in the Imatong Central Forest Reserve, Southern Sudan: Volume 3 (maps). Land Resources Division, Ministry of Overseas Development, 1977.

Style de citation MLA (9e éd.)

Jenkin, R., et al. Forestry Development Prospects in the Imatong Central Forest Reserve, Southern Sudan: Volume 3 (maps). Land Resources Division, Ministry of Overseas Development, 1977.