APA-viite (7. p.)

Maritain, J. (1969). An introduction to philosophy. s.n.].

Chicago-viite (17. p.)

Maritain, Jacques. An Introduction to Philosophy. [S.l: s.n.], 1969.

MLA-viite (9. p.)

Maritain, Jacques. An Introduction to Philosophy. s.n.], 1969.