Cita APA (7a ed.)

Welton, J. (1917). Groundwork of logic. W. B. Clive, University Tutorial Press.

Cita Chicago Style (17a ed.)

Welton, James. Groundwork of Logic. London: W. B. Clive, University Tutorial Press, 1917.

Cita MLA (9a ed.)

Welton, James. Groundwork of Logic. W. B. Clive, University Tutorial Press, 1917.