Citazione Stile APA (7a Edizione)

Müller, H. J., & Herschel, K. (1950). Was Tiere erleben (1.-20. Tausend.). Kinderbuchverlag.

Citazione stile Chigago Style (17a edizione)

Müller, Hans Joachim, e Kurt Herschel. Was Tiere Erleben. 1.-20. Tausend. Berlin: Kinderbuchverlag, 1950.

Citatione MLA (8a ed.)

Müller, Hans Joachim, e Kurt Herschel. Was Tiere Erleben. 1.-20. Tausend. Kinderbuchverlag, 1950.