APA (7th ed.) Citation

Gottberg, J., & Keuneman, H. (1983). Sri Lanka. Apa Productions.

Chicago Style (17th ed.) Citation

Gottberg, John, and Herbert Keuneman. Sri Lanka. Colombo: Apa Productions, 1983.

MLA (9th ed.) Citation

Gottberg, John, and Herbert Keuneman. Sri Lanka. Apa Productions, 1983.

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