APA (7th ed.) Citation

Mann, W. R., & Marts, C. M. (2013). Ivory identification: A photographic reference guide. Ivorymann Publishing.

Chicago Style (17th ed.) Citation

Mann, William R., and Charles M. Marts. Ivory Identification: A Photographic Reference Guide. [Temple Hills, Maryland]: Ivorymann Publishing, 2013.

MLA (9th ed.) Citation

Mann, William R., and Charles M. Marts. Ivory Identification: A Photographic Reference Guide. Ivorymann Publishing, 2013.