APA (7th ed.) Citation

Harper, F. J. (1987). Trade unions of the world. Gale Research Co. ; Longman Group UK Ltd..

Chicago Style (17th ed.) Citation

Harper, F. John. Trade Unions of the World. Detroit : Harlow, Essex, U.K.: Gale Research Co. ; Longman Group UK Ltd., 1987.

MLA (9th ed.) Citation

Harper, F. John. Trade Unions of the World. Gale Research Co. ; Longman Group UK Ltd., 1987.