Cita APA (7th ed.)

Barlow, G. (1921). Earthwork (9th ed.). Superintendent, Government Press.

Cita Chicago (17th ed.)

Barlow, G.T. Earthwork. 9th ed. Allahabad: Superintendent, Government Press, 1921.

Cita MLA (9th ed.)

Barlow, G.T. Earthwork. 9th ed. Superintendent, Government Press, 1921.