Cita APA (7a ed.)

Knipping, J. B., & Becht, H. J. W. Jan Toorop. H.J.W. Becht.

Cita Chicago Style (17a ed.)

Knipping, John Baptist, y Herman J. W. Becht. Jan Toorop. Amsterdam: H.J.W. Becht.

Cita MLA (8a ed.)

Knipping, John Baptist, y Herman J. W. Becht. Jan Toorop. H.J.W. Becht.