APA (7th ed.) Citation

Staples, M. H. (1921). The challenge of agriculture: The story of the United Farmers on Ontario. G.N. Morang.

Chicago Style (17th ed.) Citation

Staples, Melville H. The Challenge of Agriculture: The Story of the United Farmers on Ontario. Toronto: G.N. Morang, 1921.

MLA (8th ed.) Citation

Staples, Melville H. The Challenge of Agriculture: The Story of the United Farmers on Ontario. G.N. Morang, 1921.