APA (7th ed.) Citation

Wickrema, A. (1971). Recommendations for a revised photo type setting keyboard. State Printing Corporation.

Chicago Style (17th ed.) Citation

Wickrema, A. Recommendations for a Revised Photo Type Setting Keyboard. Colombo: State Printing Corporation, 1971.

MLA (9th ed.) Citation

Wickrema, A. Recommendations for a Revised Photo Type Setting Keyboard. State Printing Corporation, 1971.

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