Cita APA (7a ed.)

Knickerbacker Boyd, D. (1944). Sheet Metal work, prep. especially for home study . International Correspondence Schools.

Cita Chicago Style (17a ed.)

Knickerbacker Boyd, D. Sheet Metal Work, Prep. Especially for Home Study . Scranton, Pa.: International Correspondence Schools, 1944.

Cita MLA (9a ed.)

Knickerbacker Boyd, D. Sheet Metal Work, Prep. Especially for Home Study . International Correspondence Schools, 1944.