APA (7th ed.) Citation

Pravda, A., & Ruble, B. A. (1987). Trade unions in communist states. London.

Chicago Style (17th ed.) Citation

Pravda, Alex, and Blair A. Ruble. Trade Unions in Communist States. London, 1987.

MLA (8th ed.) Citation

Pravda, Alex, and Blair A. Ruble. Trade Unions in Communist States. London, 1987.

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