APA Style

Vesilind, P. (1997). National Geographic on assignment USA / Priit Vesilind (1). Washington, D.C.: National Geographic Society.

MLA Style

Vesilind, Priit. "National Geographic on assignment USA / Priit Vesilind". 1 Washington, D.C.: National Geographic Society, 1997. Textbook ห้องสมุดทั่วไป.