Cita APA (7a ed.)

Chisholm, R. M. (1966). Theory of knowledge. Prentice Hall.

Cita Chicago Style (17a ed.)

Chisholm, Roderick M. Theory of Knowledge. Estados Unidos: Prentice Hall, 1966.

Cita MLA (9a ed.)

Chisholm, Roderick M. Theory of Knowledge. Prentice Hall, 1966.