APA (7th ed.) Citation

(1909). Specification No. 1641, for 3 vertical, cross compound, condensing steam engines at U.S. Navy Yard, Philadelphia, Pa., under appropriation "4 dry docks". [publisher not identified].

Chicago Style (17th ed.) Citation

Specification No. 1641, for 3 Vertical, Cross Compound, Condensing Steam Engines at U.S. Navy Yard, Philadelphia, Pa., Under Appropriation "4 Dry Docks". Washington, D.C.: [publisher not identified], 1909.

MLA (9th ed.) Citation

Specification No. 1641, for 3 Vertical, Cross Compound, Condensing Steam Engines at U.S. Navy Yard, Philadelphia, Pa., Under Appropriation "4 Dry Docks". [publisher not identified], 1909.