APA (7th ed.) Citation

Hogg, T. H. (1938). Eastern Ontario system. Canadian Engineer., 75, 9.

Chicago Style (17th ed.) Citation

Hogg, T. H. "Eastern Ontario System." Canadian Engineer. 75 (1938): 9.

MLA (9th ed.) Citation

Hogg, T. H. "Eastern Ontario System." Canadian Engineer., vol. 75, 1938, p. 9.

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