Cita APA (7a ed.)

Wenig, B., & Feilitzsch, M. v. (1897). Ex Libris May v. Feilitzsch.

Cita Chicago Style (17a ed.)

Wenig, Bernhard, y May von Feilitzsch. Ex Libris May V. Feilitzsch. [S.l.], 1897.

Cita MLA (9a ed.)

Wenig, Bernhard, y May von Feilitzsch. Ex Libris May V. Feilitzsch. 1897.