Cita APA (7a ed.)

Newman, R., & Campbell, A. (1969). Man and nature: Seleted essays by Giorgio Del Vecchio. University of Notre Dame Press.

Cita Chicago Style (17a ed.)

Newman, Ralph, y A.H Campbell. Man and Nature: Seleted Essays by Giorgio Del Vecchio. Notre Dame, IN: University of Notre Dame Press, 1969.

Cita MLA (9a ed.)

Newman, Ralph, y A.H Campbell. Man and Nature: Seleted Essays by Giorgio Del Vecchio. University of Notre Dame Press, 1969.