Cita APA (7a ed.)

Rotch, W., & Harlan, N. (1993). National Youth Association. The European Case Clearing House.

Cita Chicago Style (17a ed.)

Rotch, William, y Neil Harlan. National Youth Association. [Bedfordshire]: The European Case Clearing House, 1993.

Cita MLA (9a ed.)

Rotch, William, y Neil Harlan. National Youth Association. The European Case Clearing House, 1993.