Cita APA (7a ed.)

Williams, C. G. (1981). Tongues of the Spirit: A study of pentecostal glossolalia and related phenomena. University of Wales Press.

Cita Chicago Style (17a ed.)

Williams, Cyril G. Tongues of the Spirit: A Study of Pentecostal Glossolalia and Related Phenomena. Cardiff: University of Wales Press, 1981.

Cita MLA (9a ed.)

Williams, Cyril G. Tongues of the Spirit: A Study of Pentecostal Glossolalia and Related Phenomena. University of Wales Press, 1981.