APA (7th ed.) Citation

Sienkiewicz, H. (1957). Quo vadis?: Roman. Droemer.

Chicago Style (17th ed.) Citation

Sienkiewicz, Henryk. Quo Vadis?: Roman. München [u.a.]: Droemer, 1957.

MLA (9th ed.) Citation

Sienkiewicz, Henryk. Quo Vadis?: Roman. Droemer, 1957.

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