APA (7th ed.) Citation

Borchardt, W. G. (1939). A second course in arithmetic (3ª ed.). Rivingtons.

Chicago Style (17th ed.) Citation

Borchardt, W. G. A Second Course in Arithmetic. 3ª ed. London.: Rivingtons, 1939.

MLA (9th ed.) Citation

Borchardt, W. G. A Second Course in Arithmetic. 3ª ed. Rivingtons, 1939.

Warning: These citations may not always be 100% accurate.