APA (7th ed.) Citation

Pless, E. W. (1986). Contraseña "F". Planeta.

Chicago Style (17th ed.) Citation

Pless, E. W. Contraseña "F". Barcelona, España: Planeta, 1986.

MLA (9th ed.) Citation

Pless, E. W. Contraseña "F". Planeta, 1986.

Warning: These citations may not always be 100% accurate.