APA (7th ed.) Citation

National Science Council of Sri Lanka, Max Mueller Bhavan, & Abeywickrama, B. A. (1976). A Seminar discussion on man & his environment. The Council.

Chicago Style (17th ed.) Citation

National Science Council of Sri Lanka, Max Mueller Bhavan, and B. A. Abeywickrama. A Seminar Discussion on Man & His Environment. Colombo: The Council, 1976.

MLA (8th ed.) Citation

National Science Council of Sri Lanka, et al. A Seminar Discussion on Man & His Environment. The Council, 1976.