APA (7th ed.) Citation

Alberto de Urdiáin. (1939). Antikey a Toksoan ya onkana ed saray Ugugao na Grade I tan Grade II. s.n.

Chicago Style (17th ed.) Citation

Alberto de Urdiáin. Antikey a Toksoan Ya Onkana Ed Saray Ugugao Na Grade I Tan Grade II. [Lingayen?: s.n, 1939.

MLA (9th ed.) Citation

Alberto de Urdiáin. Antikey a Toksoan Ya Onkana Ed Saray Ugugao Na Grade I Tan Grade II. s.n, 1939.