APA (7th ed.) Citation

(1910). Plus ultra. J.T. Covarrubias.

Chicago Style (17th ed.) Citation

Plus Ultra. Guadalajara, Jal.: J.T. Covarrubias, 1910.

MLA (8th ed.) Citation

Plus Ultra. J.T. Covarrubias, 1910.

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