Cita APA (7a ed.)

Cattell, J. M. (1906). American men of science: A biographical directory (6th ed.). Science Press.

Cita Chicago Style (17a ed.)

Cattell, James McKeen. American Men of Science: A Biographical Directory. 6th ed. New York: Science Press, 1906.

Cita MLA (9a ed.)

Cattell, James McKeen. American Men of Science: A Biographical Directory. 6th ed. Science Press, 1906.