APA

Hoffman W. G., . (1943). The speaker's notebook. New York: Whittlesey House, McGraw-Hill Book Company, inc.

Chicago

Hoffman William George, . 1943. The speaker's notebook. New York: Whittlesey House, McGraw-Hill Book Company, inc.

Harvard

Hoffman W. G., . (1943). The speaker's notebook. New York: Whittlesey House, McGraw-Hill Book Company, inc.

MLA

Hoffman William George, . The speaker's notebook. New York: Whittlesey House, McGraw-Hill Book Company, inc. 1943.