APA (7th ed.) Citation

Thoenen, J. R. (1930). Study of quarry costs: Trap rock, sandstone, granite. [publisher not identified].

Chicago Style (17th ed.) Citation

Thoenen, J. R. Study of Quarry Costs: Trap Rock, Sandstone, Granite. Washington, D.C.: [publisher not identified], 1930.

MLA (9th ed.) Citation

Thoenen, J. R. Study of Quarry Costs: Trap Rock, Sandstone, Granite. [publisher not identified], 1930.