309 ways to reduce expenses :
a new manual of profit-making ideas /
prepared by the Baltimore Group of Controllers for the Controllers' Congress, National Retail Dry Goods Association.

APA Citation

National Retail Dry Goods Association (U.S.). Controllers' Congress., National Retail Dry Goods Association (U.S.). Baltimore Group of Controllers. (1954). 309 ways to reduce expenses: a new manual of profit-making ideas. New York, N.Y.: The Congress.

MLA Citation

National Retail Dry Goods Association (U.S.). Controllers' Congress, and National Retail Dry Goods Association (U.S.). Baltimore Group of Controllers. 309 Ways to Reduce Expenses: a New Manual of Profit-making Ideas. New York, N.Y.: The Congress, 1954.

Warning: These citations may not always be complete (especially for serials).