APA

Adams G. P., Loewenberg J. & Pepper S. C. (1925). Studies in the problem of norms : lectures delivered before the philosophical union University of California 1924-1925. California: University of California Press.

Chicago

Adams George Plimptón, Loewenberg J and Pepper Stephen C. 1925. Studies in the problem of norms : lectures delivered before the philosophical union University of California 1924-1925. California: University of California Press.

Harvard

Adams G. P., Loewenberg J. and Pepper S. C. (1925). Studies in the problem of norms : lectures delivered before the philosophical union University of California 1924-1925. California: University of California Press.

MLA

Adams George Plimptón, Loewenberg J and Pepper Stephen C. Studies in the problem of norms : lectures delivered before the philosophical union University of California 1924-1925. California: University of California Press. 1925.