APA (7th ed.) Citation

Ward Sand and Gravel Co & Ward, F. L. (1932). Methods and costs of mining and preparing sand and gravel at plant of Ward Sand and Gravel Company, Oxford, Mich. [publisher not identified].

Chicago Style (17th ed.) Citation

Ward Sand and Gravel Co and Frederick L. Ward. Methods and Costs of Mining and Preparing Sand and Gravel at Plant of Ward Sand and Gravel Company, Oxford, Mich. Washington, D.C.: [publisher not identified], 1932.

MLA (9th ed.) Citation

Ward Sand and Gravel Co and Frederick L. Ward. Methods and Costs of Mining and Preparing Sand and Gravel at Plant of Ward Sand and Gravel Company, Oxford, Mich. [publisher not identified], 1932.