Hearing aids

MLA

Corliss, Edith L. R, et al. Hearing Aids. Gaithersburg, MD: U.S. Dept. of Commerce, National Institute of Standards and Technology, 1970.

APA

Corliss, E. L. R, Fay, R. R, Moore, B. C. J, & Popper, A. N. (1970). Hearing aids. Gaithersburg, MD: U.S. Dept. of Commerce, National Institute of Standards and Technology.

Chicago

Corliss, Edith L. R., Richard R Fay, Brian C. J Moore, and Arthur N Popper. Hearing Aids. Gaithersburg, MD: U.S. Dept. of Commerce, National Institute of Standards and Technology, 1970.