APA (7th ed.) Citation

(1996). El secreto de la felicidad familiar. Watch Tower Bible and Tract Society of Pennsylvania.

Chicago Style (17th ed.) Citation

El Secreto De La Felicidad Familiar. New York: Watch Tower Bible and Tract Society of Pennsylvania, 1996.

MLA (9th ed.) Citation

El Secreto De La Felicidad Familiar. Watch Tower Bible and Tract Society of Pennsylvania, 1996.

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