Cita APA

McDowell, B., Dale, B., & Lee, C. (1970). Gypsies, wanderers of the world. Washington, D.C.: National Geographic Society.

Citación estilo Chicago

McDowell, Bart, Bruce Dale, y Clifford Lee. Gypsies, Wanderers of the World. Washington, D.C.: National Geographic Society, 1970.

Cita MLA

McDowell, Bart, Bruce Dale, y Clifford Lee. Gypsies, Wanderers of the World. Washington, D.C.: National Geographic Society, 1970.