APA (7th ed.) Citation

Calleja, S. A. (1918). Aritmética. Saturnino Calleja.

Chicago Style (17th ed.) Citation

Calleja, Saturnino. Autor. Aritmética. Madrid: Saturnino Calleja, 1918.

MLA (9th ed.) Citation

Calleja, Saturnino. Autor. Aritmética. Saturnino Calleja, 1918.

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