Cita APA (7a ed.)

Beysens, J. T. (1902). Logica of denkleer. G.F. Théonville.

Cita Chicago Style (17a ed.)

Beysens, J. Th. Logica of Denkleer. Leiden: G.F. Théonville, 1902.

Cita MLA (8a ed.)

Beysens, J. Th. Logica of Denkleer. G.F. Théonville, 1902.