Co-operators' year book 1951.

MLA

Hemstock, Arthur, and Alfred R Perkins. Co-operators' Year Book 1951. Leicester: Co-operative Productive Federation Ltd., 1951.

APA

Hemstock, A., & Perkins, A. R. (1951). Co-operators' year book 1951. Leicester: Co-operative Productive Federation Ltd.

Chicago

Hemstock, Arthur, and Alfred R Perkins. Co-Operators' Year Book 1951. Leicester: Co-operative Productive Federation Ltd., 1951.