Cita APA (7a ed.)

Friedländer, M. J., & Braam, F. A. v. (1950). World collectors annuary. Brouwer.

Cita Chicago Style (17a ed.)

Friedländer, Max J., y Fred A. von Braam. World Collectors Annuary. Delft: Brouwer, 1950.

Cita MLA (8a ed.)

Friedländer, Max J., y Fred A. von Braam. World Collectors Annuary. Brouwer, 1950.