Cita APA (7a ed.)

Krull, E., Fetting, H., & Saeger, W. (1964). Herbert Ihering (o.A.). Henschelverlag.

Cita Chicago Style (17a ed.)

Krull, Edith, Hugo Fetting, y Willy Saeger. Herbert Ihering. o.A. Berlin: Henschelverlag, 1964.

Cita MLA (8a ed.)

Krull, Edith, et al. Herbert Ihering. o.A. Henschelverlag, 1964.