APA (7th ed.) Citation

Adam Matthew Digital (Firm). (1956). Singapore: Six-monthly reports, 1956-1959. publisher not identified.

Chicago Style (17th ed.) Citation

Adam Matthew Digital (Firm). Singapore: Six-monthly Reports, 1956-1959. [Place of publication not identified: publisher not identified, 1956.

MLA (9th ed.) Citation

Adam Matthew Digital (Firm). Singapore: Six-monthly Reports, 1956-1959. publisher not identified, 1956.