Atwater, R., Atwater, F., Kessel, E., & Lawson, R. (1951). Mr. Poppers Pinguine (16.-35. Tausend.). Alfred Holz Verlag.
Chicago Style (17th ed.) CitationAtwater, Richard, Florence Atwater, Elisabeth Kessel, and Robert Lawson. Mr. Poppers Pinguine. 16.-35. Tausend. Berlin: Alfred Holz Verlag, 1951.
MLA (8th ed.) CitationAtwater, Richard, et al. Mr. Poppers Pinguine. 16.-35. Tausend. Alfred Holz Verlag, 1951.
Warning: These citations may not always be 100% accurate.