Hobbs, H. H., Olson, R. A., Winkler, E. G., & Culver, D. C. (2017). Mammoth Cave: A human and natural history. Springer.
Chicago Style (17th ed.) CitationHobbs, H. H., Rickard A. Olson, Elizabeth G. Winkler, and David C. Culver. Mammoth Cave: A Human and Natural History. Cham: Springer, 2017.
MLA (8th ed.) CitationHobbs, H. H., et al. Mammoth Cave: A Human and Natural History. Springer, 2017.
Warning: These citations may not always be 100% accurate.