APA (7th ed.) Citation

Ariyaratna, A. T., & Ratnapala, N. (1980). Collected works. Sarvodaya Research Institute.

Chicago Style (17th ed.) Citation

Ariyaratna, A. T., and Nandasena Ratnapala. Collected Works. Dehiwala, Sri Lanka: Sarvodaya Research Institute, 1980.

MLA (8th ed.) Citation

Ariyaratna, A. T., and Nandasena Ratnapala. Collected Works. Sarvodaya Research Institute, 1980.