Cita APA (7th ed.)

Pelzer, H. (1961). Hans Klering. Henschelverlag.

Cita Chicago (17th ed.)

Pelzer, Helmuth. Hans Klering. Berlin: Henschelverlag, 1961.

Cita MLA (8th ed.)

Pelzer, Helmuth. Hans Klering. Henschelverlag, 1961.