APA (7th ed.) Citation

Sienkiewicz, H. (1972). Quo Vadis? Ramón Sopena.

Chicago Style (17th ed.) Citation

Sienkiewicz, Henryk. Quo Vadis? Barcelona: Ramón Sopena, 1972.

MLA (9th ed.) Citation

Sienkiewicz, Henryk. Quo Vadis? Ramón Sopena, 1972.

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