Cita APA (7a ed.)

Döcker, E., & Dillmann, E. (1890). Ex-Libris Dillmann.

Cita Chicago Style (17a ed.)

Döcker, Ernst, y Eduard Dillmann. Ex-Libris Dillmann. [S. l, 1890.

Cita MLA (9a ed.)

Döcker, Ernst, y Eduard Dillmann. Ex-Libris Dillmann. 1890.