Cite

Saskatchewan the world's greatest wheat producing region.

MLA

Saskatchewan the World's Greatest Wheat Producing Region. Stovel Co., 0AD. https://collections.library.yale.edu/catalog/15536082.

APA, 6th edition

Saskatchewan the world's greatest wheat producing region. (0 C.E.). [Maps]. Stovel Co., https://collections.library.yale.edu/catalog/15536082.