Gaya APA

Sears, R, T, &, B, J, A. (2006). Self-emptying love in a global context: The Spiritual Exercises and the environment. . Eugene: Eugene Cascade Books.

Gaya MLA

Sears, Robert, Thomas, &, Bracken,, Joseph, A.. "Self-emptying love in a global context: The Spiritual Exercises and the environment. ". Eugene: Eugene Cascade Books, 2006. Buku.