APA (7th ed.) Citation

Orueta, R. d. (1920). Gregorio Hernández. Saturnino Calleja.

Chicago Style (17th ed.) Citation

Orueta, Ricardo de. Gregorio Hernández. Madrid: Saturnino Calleja, 1920.

MLA (9th ed.) Citation

Orueta, Ricardo de. Gregorio Hernández. Saturnino Calleja, 1920.

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