APA (7th ed.) Citation

Crane, E., Wilson, G., & Ferguson, J. (1989). What to do about Hitler: A Pacifist Symposium. Yorkshire: P. Dransfield.

Chicago Style (17th ed.) Citation

Crane, Ernest, Gordon Wilson, and John Ferguson. What to Do About Hitler: A Pacifist Symposium. Yorkshire: P. Dransfield, 1989.

MLA (8th ed.) Citation

Crane, Ernest, et al. What to Do About Hitler: A Pacifist Symposium. Yorkshire: P. Dransfield, 1989.