APA ציטוט
(1981). Images of the world: Photograpphy at the National Geographic. National Geographic Society.
Chicago Style (17th ed.) Citation
Images of the World: Photograpphy at the National Geographic. Washington, DC: National Geographic Society, 1981.
ציטוט MLA
Images of the World: Photograpphy at the National Geographic. National Geographic Society, 1981.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.