APA

Stephenson H., . (1971). Handbook of public relations: the standard guide to public affairs and communications. New York: McGraw-Hill.

Chicago

Stephenson Howard, . 1971. Handbook of public relations: the standard guide to public affairs and communications. New York: McGraw-Hill.

Harvard

Stephenson H., . (1971). Handbook of public relations: the standard guide to public affairs and communications. New York: McGraw-Hill.

MLA

Stephenson Howard, . Handbook of public relations: the standard guide to public affairs and communications. New York: McGraw-Hill. 1971.