APA (7th ed.) Citation

Adam Matthew Digital (Firm). (1963). Singapore: Technical assistance, 1963. publisher not identified.

Chicago Style (17th ed.) Citation

Adam Matthew Digital (Firm). Singapore: Technical Assistance, 1963. [Place of publication not identified: publisher not identified, 1963.

MLA (9th ed.) Citation

Adam Matthew Digital (Firm). Singapore: Technical Assistance, 1963. publisher not identified, 1963.