APA (7th ed.) Citation

Watchtower Bible and Tract Society of New York & International Bible Students Association. (1978). Espíritus en invisibilidad: ¿nos ayudan o nos perjudican? Watchtower Bible and Tract Society of New York : International Bible Students Association.

Chicago Style (17th ed.) Citation

Watchtower Bible and Tract Society of New York and International Bible Students Association. Espíritus En Invisibilidad: ¿nos Ayudan O Nos Perjudican? New York: Watchtower Bible and Tract Society of New York : International Bible Students Association, 1978.

MLA (9th ed.) Citation

Watchtower Bible and Tract Society of New York and International Bible Students Association. Espíritus En Invisibilidad: ¿nos Ayudan O Nos Perjudican? Watchtower Bible and Tract Society of New York : International Bible Students Association, 1978.