APA (7th ed.) Citation

Hell, X. H. d. (2011). Travels in the Steppes of the Caspian Sea, the Crimea, the Caucasus, &c. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hell, Xavier Hommaire de. Travels in the Steppes of the Caspian Sea, the Crimea, the Caucasus, &c. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Hell, Xavier Hommaire de. Travels in the Steppes of the Caspian Sea, the Crimea, the Caucasus, &c. Project Gutenberg, 2011.

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