The Joseph Leidy commemorative meeting

MLA

Penrose, Richard Alexander Fullerton, James A. G Rehn, and Henry Baldwin Ward. The Joseph Leidy Commemorative Meeting. Philadelphia: s.n., 1923.

APA

Penrose, R. Alexander Fullerton, Rehn, J. A. G., & Ward, H. Baldwin. (1923). The Joseph Leidy commemorative meeting. Philadelphia: s.n.

Chicago

Penrose, Richard Alexander Fullerton, James A. G. Rehn, and Henry Baldwin Ward. The Joseph Leidy Commemorative Meeting. Philadelphia: s.n., 1923.