APA (7th ed.) Citation

Ratnakara, T., Abeyrathna, M., Perera, D., Umagiliya, P., & Wajrakumar, R. '84 independence souvenir. Sri Lanka: Government Press.

Chicago Style (17th ed.) Citation

Ratnakara, Tilak, Manel Abeyrathna, D.D Perera, P.G Umagiliya, and Ranjan Wajrakumar. '84 Independence Souvenir. Sri Lanka: Government Press.

MLA (8th ed.) Citation

Ratnakara, Tilak, et al. '84 Independence Souvenir. Sri Lanka: Government Press.

Warning: These citations may not always be 100% accurate.