APA (7th ed.) Citation

(1940). Vértice. [Verlag nicht ermittelbar].

Chicago Style (17th ed.) Citation

Vértice. Bilbao [u.a.]: [Verlag nicht ermittelbar], 1940.

MLA (9th ed.) Citation

Vértice. [Verlag nicht ermittelbar], 1940.

Warning: These citations may not always be 100% accurate.