APA (7th ed.) Citation

Sethaputra, S. (1961). New model English-Thai dictionary (Library ed.). So Sethaputra's Press.

Chicago Style (17th ed.) Citation

Sethaputra, So. New Model English-Thai Dictionary. Library ed. Thailand: So Sethaputra's Press, 1961.

MLA (9th ed.) Citation

Sethaputra, So. New Model English-Thai Dictionary. Library ed. So Sethaputra's Press, 1961.