APA

Heyel C., . (1943). The foreman's handbook. New York: McGraw-Hill.

Chicago

Heyel Carl, . 1943. The foreman's handbook. New York: McGraw-Hill.

Harvard

Heyel C., . (1943). The foreman's handbook. New York: McGraw-Hill.

MLA

Heyel Carl, . The foreman's handbook. New York: McGraw-Hill. 1943.