APA (7th ed.) Citation

Wadkar, B. (1972). The directory of abbrevations. Ravindra Prakashan.

Chicago Style (17th ed.) Citation

Wadkar, B. The Directory of Abbrevations. NULL: Ravindra Prakashan, 1972.

MLA (9th ed.) Citation

Wadkar, B. The Directory of Abbrevations. Ravindra Prakashan, 1972.