Cita APA (7a ed.)

Knowledge, S. f. t. E. o. L. (1920). One Mystery Less. New York.

Cita Chicago Style (17a ed.)

Knowledge, Society for the Extension of Liberal. One Mystery Less. New York, 1920.

Cita MLA (8a ed.)

Knowledge, Society for the Extension of Liberal. One Mystery Less. New York, 1920.