APA (7th ed.) Citation

Livingston, C. W., & Goodwin, L. R. W. (1951). An introduction to the design of underground openings for defense. s.n.

Chicago Style (17th ed.) Citation

Livingston, Clifton W., and Le Roy W. Goodwin. An Introduction to the Design of Underground Openings for Defense. Golden: s.n, 1951.

MLA (9th ed.) Citation

Livingston, Clifton W., and Le Roy W. Goodwin. An Introduction to the Design of Underground Openings for Defense. s.n, 1951.