Cita APA (7a ed.)

North Sails. (1981). Curso táctico Noth U. North Sails.

Cita Chicago Style (17a ed.)

North Sails. Curso Táctico Noth U. [s.l.]: North Sails, 1981.

Cita MLA (9a ed.)

North Sails. Curso Táctico Noth U. North Sails, 1981.