APA引文

McDowell, B. (1970). Gypsies, wanderers of the world. [National Geographic Society.

Chicago Style (17th ed.) Citation

McDowell, Bart. Gypsies, Wanderers of the World. Washington: [National Geographic Society, 1970.

MLA引文

McDowell, Bart. Gypsies, Wanderers of the World. [National Geographic Society, 1970.

警告：這些引文格式不一定是100％准確.