APA Edition Citation

Black, S. (1991). Practical public relations (4th ed.). Universal Book stall.

Chicago Edition Citation

Black, Sam. Practical Public Relations. 4th ed. New delhi: Universal Book stall, 1991.

MLA Edition Citation

Black, Sam. Practical Public Relations. 4th ed. Universal Book stall, 1991.

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