APA Style

Reclamation, U, D, O, T, I, B, O. (1971). Power System Safety Standards . Denver: U.S. Department of the Interior Bureau of Reclamation.

MLA Style

Reclamation, U.S., Department, Of, The, Interior, Bureau, Of. "Power System Safety Standards". Denver: U.S. Department of the Interior Bureau of Reclamation, 1971. Text.