APA (7th ed.) Citation

Congress on Irrigation and Drainage (8th : Varna) & International Commission on Irrigation and Drainage. (1972). Eighth congress on irrigation and drainage, Varna-1972: Transactions. International Commission on Irrigation and Drainage.

Chicago Style (17th ed.) Citation

Congress on Irrigation and Drainage (8th : Varna) and International Commission on Irrigation and Drainage. Eighth Congress on Irrigation and Drainage, Varna-1972: Transactions. New Delhi, India: International Commission on Irrigation and Drainage, 1972.

MLA (8th ed.) Citation

Congress on Irrigation and Drainage (8th : Varna) and International Commission on Irrigation and Drainage. Eighth Congress on Irrigation and Drainage, Varna-1972: Transactions. International Commission on Irrigation and Drainage, 1972.