Powers Gillette, H. (1920). Earthwork and its cost: A handbook of earth excavation. Mc Graw - Hill Book.
Chicago Style (17th ed.) CitationPowers Gillette, Halbert. Earthwork and Its Cost: A Handbook of Earth Excavation. London: Mc Graw - Hill Book, 1920.
MLA (9th ed.) CitationPowers Gillette, Halbert. Earthwork and Its Cost: A Handbook of Earth Excavation. Mc Graw - Hill Book, 1920.
Warning: These citations may not always be 100% accurate.