APA

Bureau of Business Practice, . (1971). Executive's handbook of humor for speakers. Waterford, Conn: Bureau of Business Practice.

Chicago

Bureau of Business Practice, . 1971. Executive's handbook of humor for speakers. Waterford, Conn: Bureau of Business Practice.

Harvard

Bureau of Business Practice, . (1971). Executive's handbook of humor for speakers. Waterford, Conn: Bureau of Business Practice.

MLA

Bureau of Business Practice, . Executive's handbook of humor for speakers. Waterford, Conn: Bureau of Business Practice. 1971.