Cita APA (7a ed.)

(1904). Lewis's new method of addition, or, The bookkeeper's friend in time of trouble. By Wyatt A. Lewis ..

Cita Chicago Style (17a ed.)

Lewis's New Method of Addition, or, The Bookkeeper's Friend in Time of Trouble. By Wyatt A. Lewis .. 1904.

Cita MLA (9a ed.)

Lewis's New Method of Addition, or, The Bookkeeper's Friend in Time of Trouble. By Wyatt A. Lewis .. 1904.