APA (7th ed.) Citation

Gaya y Tomás, M. (1871). Pío IX. Biblioteca Popular.

Chicago Style (17th ed.) Citation

Gaya y Tomás, Manuel. Pío IX. Barcelona: Biblioteca Popular, 1871.

MLA (9th ed.) Citation

Gaya y Tomás, Manuel. Pío IX. Biblioteca Popular, 1871.

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