Rehn, J. A. G., Cuza, J. A., & Nitzsche, G. E. (1960). The academy of Natural Sciences of Philadelphia: America's cornerstone in the study of nature. Philadelphia: City History Society of Philadelphia.
Chicago Style CitationRehn, James Abram Garfield, Joseph A. Cuza, and George E. Nitzsche. The Academy of Natural Sciences of Philadelphia: America's Cornerstone in the Study of Nature. Philadelphia: City History Society of Philadelphia, 1960.
MLA CitationRehn, James Abram Garfield, Joseph A. Cuza, and George E. Nitzsche. The Academy of Natural Sciences of Philadelphia: America's Cornerstone in the Study of Nature. Philadelphia: City History Society of Philadelphia, 1960.