APA (7th ed.) Citation

Erasmus, D. d. 1., Luther, M., Rupp, E. G., & Watson, P. S. (1969). Luther and Erasmus: Free will and salvation. SCM Press.

Chicago Style (17th ed.) Citation

Erasmus, Desiderius d. 1536, Martin Luther, Ernest Gordon Rupp, and Philip S. Watson. Luther and Erasmus: Free Will and Salvation. London: SCM Press, 1969.

MLA (9th ed.) Citation

Erasmus, Desiderius d. 1536, et al. Luther and Erasmus: Free Will and Salvation. SCM Press, 1969.