APA
Maritain J., Phelan G. B. & McInerny R. (1995). Distinguish to unite, or, The degrees of knowledge. Notre Dame (Indiana): University of Notre Dame Press.
Chicago
Maritain Jacques, Phelan Gerald B and McInerny Ralph. 1995. Distinguish to unite, or, The degrees of knowledge. Notre Dame (Indiana): University of Notre Dame Press.
Harvard
Maritain J., Phelan G. B. and McInerny R. (1995). Distinguish to unite, or, The degrees of knowledge. Notre Dame (Indiana): University of Notre Dame Press.
MLA
Maritain Jacques, Phelan Gerald B and McInerny Ralph. Distinguish to unite, or, The degrees of knowledge. Notre Dame (Indiana): University of Notre Dame Press. 1995.