APA Style

Reclamation, U, D, O, T, I, B, O. (1949). Imperial Dam and Desilting Works: Part IV - Design and Construction bulletin 6 . Denver: United States Department of The Interior.

MLA Style

Reclamation, U.S., Department, Of, The, Interior, Bureau, Of. "Imperial Dam and Desilting Works: Part IV - Design and Construction bulletin 6". Denver: United States Department of The Interior, 1949. Text.