APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Chisholm, Roderick M. Theory of Knowledge. 3rd ed. Englewood Cliffs, New Jersey [etc.]: Prentice-Hall International, 1989.

MLA (9th ed.) Citation

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