The Hosta book
MLA
Aden, Paul, et al. The Hosta Book. 2nd ed. Portland: Timber Press, 1992.
APA
Aden, P., Eichelberger Cannon, L., Elsley, J., Epstein, H., Fields, N., Herweg, M. M, Hirose, Y., Jones, S. B, Thomas, G. Stuart, & Viette, A. (1992). The Hosta book. 2nd ed. Portland: Timber Press.
Chicago
Elsley, J., H Epstein, N Fields, M. M Herweg, Y Hirose, S. B Jones, Graham Stuart Thomas, and A Viette. The Hosta Book. Edited by Paul Aden and Lillian Eichelberger Cannon. 2nd ed. Portland: Timber Press, 1992.