APA (7. basım) Alıntı

O'Connor, J. (1940). Unsolved business problems. Human Engineering Laboratory.

Chicago Style (17. basım) Atıf

O'Connor, Johnson. Unsolved Business Problems. [Boston]: Human Engineering Laboratory, 1940.

MLA (9th ed.) Atıf

O'Connor, Johnson. Unsolved Business Problems. Human Engineering Laboratory, 1940.