Cita APA (7a ed.)

Schnabel, A. a. (1974). Has God spoken? Creation-Life Publishers.

Cita Chicago Style (17a ed.)

Schnabel, A.O. autor. Has God Spoken? San Diego, California: Creation-Life Publishers, 1974.

Cita MLA (9a ed.)

Schnabel, A.O. autor. Has God Spoken? Creation-Life Publishers, 1974.