Cita APA (7a ed.)

Chisholm, R. M. (1989). Theory of knowledge (3rd ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Chisholm, Roderick M. Theory of Knowledge. 3rd ed. Englewood Cliffs, N.J: Prentice-Hall, 1989.

Cita MLA (9a ed.)

Chisholm, Roderick M. Theory of Knowledge. 3rd ed. Prentice-Hall, 1989.