Cita APA (7th ed.)

Becker, R., Hartwig, H., Velić, P., Zelle, A., Warncke, R., Vanecek, H., & Köppe, H. Ac-Au. Springer International Publishing.

Cita Chicago (17th ed.)

Becker, Ramona, Helga Hartwig, Paul Velić, Anna Zelle, Rudolf Warncke, Hans Vanecek, i Herbert Köppe. Ac-Au. Cham: Springer International Publishing.

Cita MLA (8th ed.)

Becker, Ramona, et al. Ac-Au. Springer International Publishing.