Cita APA (7a ed.)

Walsh, J. H. (1919). Walsh's business arithmetic. The Gregg Pub. Co..

Cita Chicago Style (17a ed.)

Walsh, John H. Walsh's Business Arithmetic. New York : Boston [etc.]: The Gregg Pub. Co., 1919.

Cita MLA (8a ed.)

Walsh, John H. Walsh's Business Arithmetic. The Gregg Pub. Co., 1919.