APA (7e ed.) Bronvermelding

Ward, R. S., & Wells, R. O. (1990). Twistor geometry and field theory. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Ward, R. S., en R. O. Wells. Twistor Geometry and Field Theory. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1990.

MLA (8e ed.) Bronvermelding

Ward, R. S., en R. O. Wells. Twistor Geometry and Field Theory. Cambridge University Press, 1990.