APA (7e ed.) Bronvermelding

West, J. A. (1993). Serpent in the sky: The high wisdom of ancient Egypt. Quest Books.

Chicago (17e ed.) Bronvermelding

West, John Anthony. Serpent in the Sky: The High Wisdom of Ancient Egypt. Wheaton, IL: Quest Books, 1993.

MLA (9e ed.) Bronvermelding

West, John Anthony. Serpent in the Sky: The High Wisdom of Ancient Egypt. Quest Books, 1993.