Cita APA (7a ed.)

Ong, W. J. (1967). The presence of the world. Yale University Press.

Cita Chicago Style (17a ed.)

Ong, Walter J. The Presence of the World. New Haven: Yale University Press, 1967.

Cita MLA (9a ed.)

Ong, Walter J. The Presence of the World. Yale University Press, 1967.