The elements of specification writing; a text-book for students in civil engineering
MLA
Kirby, Richard Shelton. The Elements of Specification Writing: a Text-book for Students In Civil Engineering. 2d ed., Nw York: John Wiley & sons, inc.; [etc., etc.], 1921
APA, 7th edition
Kirby, R. Shelton. (1921). The elements of specification writing: a text-book for students in civil engineering. 2d ed., Nw York: John Wiley & sons, inc.; [etc., etc.]
Chicago, 17th edition
Kirby, Richard Shelton. The elements of specification writing: a text-book for students in civil engineering. 2d ed., Nw York: John Wiley & sons, inc.; [etc., etc.], 1921