APA (7th ed.) Citation

Helm, F. C. (1968). The economics of co-operative enterprise / by F.C. Helm. London U.P..

Chicago Style (17th ed.) Citation

Helm, F. C. The Economics of Co-operative Enterprise / by F.C. Helm. London U.P., 1968.

MLA (9th ed.) Citation

Helm, F. C. The Economics of Co-operative Enterprise / by F.C. Helm. London U.P., 1968.

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