Cita APA (7a ed.)

Roo, W. A. v. (1981). Man the symbolizer. Gregorian University.

Cita Chicago Style (17a ed.)

Roo, William A. van. Man the Symbolizer. Rome: Gregorian University, 1981.

Cita MLA (9a ed.)

Roo, William A. van. Man the Symbolizer. Gregorian University, 1981.