APA (7th ed.) Citation

Frei, E. J. (1980). The historical development of the Philippine national language (Repr. [of the ed.] Manila: Bureau of Print 1959.). AMS Press.

Chicago Style (17th ed.) Citation

Frei, Ernest J. The Historical Development of the Philippine National Language. Repr. [of the ed.] Manila: Bureau of Print 1959. New York: AMS Press, 1980.

MLA (9th ed.) Citation

Frei, Ernest J. The Historical Development of the Philippine National Language. Repr. [of the ed.] Manila: Bureau of Print 1959. AMS Press, 1980.