Cita APA (7a ed.)

Sprague, E. (1978). Metaphysical thinking. Oxford University Press.

Cita Chicago Style (17a ed.)

Sprague, Elmer. Metaphysical Thinking. New York: Oxford University Press, 1978.

Cita MLA (9a ed.)

Sprague, Elmer. Metaphysical Thinking. Oxford University Press, 1978.