Cita APA (7a ed.)

Arama, A., & Schoenmakers, J. (1980). Ex Libris J. Schoenmakers.

Cita Chicago Style (17a ed.)

Arama, Adrian, y Jacques Schoenmakers. Ex Libris J. Schoenmakers. [S. l, 1980.

Cita MLA (9a ed.)

Arama, Adrian, y Jacques Schoenmakers. Ex Libris J. Schoenmakers. 1980.