APA (7th ed.) Citation

Neff, H. H. (2017). Impyrium (First paperback edition.). Harper.

Chicago Style (17th ed.) Citation

Neff, Henry H. Impyrium. First paperback edition. New York, NY: Harper, 2017.

MLA (8th ed.) Citation

Neff, Henry H. Impyrium. First paperback edition. Harper, 2017.

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