Cita APA (7th ed.)
McDowell, B., Lee, C., & Dale, B. Gypsies: Wanderers of the World. National Geographic Society, Special Publications Division.
Cita Chicago (17th ed.)
McDowell, Bart, Clifford Lee, i Bruce Dale. Gypsies: Wanderers of the World. Washington, EUA: National Geographic Society, Special Publications Division.
Cita MLA (9th ed.)
McDowell, Bart, et al. Gypsies: Wanderers of the World. National Geographic Society, Special Publications Division.
Atenció: Aquestes cites poden no estar 100% correctes.