Cita APA (7a ed.)

Berlitz, C., & Valentine, J. M. (1977). The Bermuda triangle. Panther.

Cita Chicago Style (17a ed.)

Berlitz, Charles, y J. Manson Valentine. The Bermuda Triangle. St Albans: Panther, 1977.

Cita MLA (8a ed.)

Berlitz, Charles, y J. Manson Valentine. The Bermuda Triangle. Panther, 1977.