Cita APA (7a ed.)

Hopkins, G. E. (1953). Wool: As an apparel fiber. Rinehart.

Cita Chicago Style (17a ed.)

Hopkins, Giles E. Wool: As an Apparel Fiber. New York: Rinehart, 1953.

Cita MLA (8a ed.)

Hopkins, Giles E. Wool: As an Apparel Fiber. Rinehart, 1953.