APA (7th ed.) Citation

Hovey, H. C. (1889). Guide book to the Mammoth Cave of Kentucky: Historical, scientific, and descriptive (9th ed.). R. Clarke Co..

Chicago Style (17th ed.) Citation

Hovey, Horace Carter. Guide Book to the Mammoth Cave of Kentucky: Historical, Scientific, and Descriptive. 9th ed. Cincinnati: R. Clarke Co., 1889.

MLA (8th ed.) Citation

Hovey, Horace Carter. Guide Book to the Mammoth Cave of Kentucky: Historical, Scientific, and Descriptive. 9th ed. R. Clarke Co., 1889.