Cita APA (7th ed.)

Vallejo, R. (1950). A bibliography on dictionaries and encyclopedias found in the University of the Philippines main library for Library Science 167. s.n.].

Cita Chicago (17th ed.)

Vallejo, Rosa. A Bibliography on Dictionaries and Encyclopedias Found in the University of the Philippines Main Library for Library Science 167. [Quezon City: s.n.], 1950.

Cita MLA (9th ed.)

Vallejo, Rosa. A Bibliography on Dictionaries and Encyclopedias Found in the University of the Philippines Main Library for Library Science 167. s.n.], 1950.