Cita APA (7a ed.)

Acket, D., & Smet, H. (1959). Ex - Libris Dr. Med. Herman Smet: Semper Humanior. s.n..

Cita Chicago Style (17a ed.)

Acket, Désiré, y Herman Smet. Ex - Libris Dr. Med. Herman Smet: Semper Humanior. [S. l.: s.n., 1959.

Cita MLA (9a ed.)

Acket, Désiré, y Herman Smet. Ex - Libris Dr. Med. Herman Smet: Semper Humanior. s.n., 1959.