MLA

Strutt, John William, and Robert Bruce Lindsay. Theory of Sound. 2nd ed. rev. and enl. New York (N.Y.): Dover, 1945.

APA

Strutt, J. William, & Lindsay, R. Bruce. (1945). Theory of sound. 2nd ed. rev. and enl. New York (N.Y.): Dover.

Chicago

Strutt, John William, and Robert Bruce Lindsay. Theory of Sound. 2nd ed. rev. and enl. New York (N.Y.): Dover, 1945.