APA (7th ed.) Citation

Sam Black, w. a. f. b. F. G. (1973). PRACTICAL PUBLIC RELATIONS. The English Language Book Society and Pi.

Chicago Style (17th ed.) Citation

Sam Black, with a foreword by F.C. Gillman.. PRACTICAL PUBLIC RELATIONS. The English Language Book Society and Pi, 1973.

MLA (8th ed.) Citation

Sam Black, with a foreword by F.C. Gillman.. PRACTICAL PUBLIC RELATIONS. The English Language Book Society and Pi, 1973.

Warning: These citations may not always be 100% accurate.