APA (7th ed.) Citation

Gurley, W. & L.E., Troy, N.Y. (1921). Manual of Gurley hydraulic engineering instruments (2d ed.). W. & L. E. Gurley.

Chicago Style (17th ed.) Citation

Gurley, W. & L.E., Troy, N.Y. Manual of Gurley Hydraulic Engineering Instruments. 2d ed. Troy, N. Y.: W. & L. E. Gurley, 1921.

MLA (9th ed.) Citation

Gurley, W. & L.E., Troy, N.Y. Manual of Gurley Hydraulic Engineering Instruments. 2d ed. W. & L. E. Gurley, 1921.