Cita APA (7th ed.)

Gurganus, G. P. (1976). Guidelines for world evangelism. Biblical Research Press.

Cita Chicago (17th ed.)

Gurganus, George P. Guidelines for World Evangelism. Abilene, Tex.: Biblical Research Press, 1976.

Cita MLA (9th ed.)

Gurganus, George P. Guidelines for World Evangelism. Biblical Research Press, 1976.