APA (7th ed.) Citation

Hodder, C. V. (1940). Why do you attend conventions? Pulp & Paper of Canada., 41, 820.

Chicago Style (17th ed.) Citation

Hodder, C. V. "Why Do You Attend Conventions?" Pulp & Paper of Canada. 41 (1940): 820.

MLA (9th ed.) Citation

Hodder, C. V. "Why Do You Attend Conventions?" Pulp & Paper of Canada., vol. 41, 1940, p. 820.