APA-Zitierstil (7. Ausg.)

Collins, W. B. (1947). Speculative philosophy: A survey for beginners. Loras College Press.

Chicago-Zitierstil (17. Ausg.)

Collins, William B. Speculative Philosophy: A Survey for Beginners. Dubuque [u.a.]: Loras College Press, 1947.

MLA-Zitierstil (9. Ausg.)

Collins, William B. Speculative Philosophy: A Survey for Beginners. Loras College Press, 1947.