APA (7th ed.) Citation

Samartha, S. J., & De Silva, M. E. (1979). Man in nature. The Ecumenical Institute for Study and Dialogue.

Chicago Style (17th ed.) Citation

Samartha, S. J., and M. E. De Silva. Man in Nature. Colombo: The Ecumenical Institute for Study and Dialogue, 1979.

MLA (9th ed.) Citation

Samartha, S. J., and M. E. De Silva. Man in Nature. The Ecumenical Institute for Study and Dialogue, 1979.