Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Powell, M. (1980). Karkar, Dabrum, and Tall Gidr. An unresolved geographical problem.

Chicago Citation Edition Citation

Powell, M.A. Karkar, Dabrum, and Tall Gidr. An Unresolved Geographical Problem. 1980.

MLA Citation Edition Citation

Powell, M.A. Karkar, Dabrum, and Tall Gidr. An Unresolved Geographical Problem. 1980.