APA (7e ed.) Bronvermelding

Atwater, R., Atwater, F., Kessel, E., & Lawson, R. (1951). Mr. Poppers Pinguine (16.-35. Tausend.). Alfred Holz Verlag.

Chicago (17e ed.) Bronvermelding

Atwater, Richard, Florence Atwater, Elisabeth Kessel, en Robert Lawson. Mr. Poppers Pinguine. 16.-35. Tausend. Berlin: Alfred Holz Verlag, 1951.

MLA (8e ed.) Bronvermelding

Atwater, Richard, et al. Mr. Poppers Pinguine. 16.-35. Tausend. Alfred Holz Verlag, 1951.