APA (7th ed.) Citation

(1947). Report on the Colombo Observatory with maps and statistics for 1947.

Chicago Style (17th ed.) Citation

Report on the Colombo Observatory with Maps and Statistics for 1947. 1947.

MLA (9th ed.) Citation

Report on the Colombo Observatory with Maps and Statistics for 1947. 1947.

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