APA Style

Gulik, L., Martis, J. (1999). Mysterious Mamberamo : Expedition DRAP '97 : the Mamberamo, Indonesian New Guinea, Irian Jaya . : Drap.

MLA Style

Gulik, Ladislav., Martis, Jindrich. "Mysterious Mamberamo : Expedition DRAP '97 : the Mamberamo, Indonesian New Guinea, Irian Jaya". : Drap, 1999. Text.