APA
Tucker M. E., Williams D. R., Tucker M. E. & Williams D. R. (1997). Buddhism and ecology. Cambridge, Mass: Harvard Univ. Center for the Study of World Religions.
Chicago
Tucker Mary Evelyn, Williams Duncan Ryuken, Tucker Mary Evelyn and Williams Duncan Ryuken. 1997. Buddhism and ecology. Cambridge, Mass: Harvard Univ. Center for the Study of World Religions.
Harvard
Tucker M. E., Williams D. R., Tucker M. E. and Williams D. R. (1997). Buddhism and ecology. Cambridge, Mass: Harvard Univ. Center for the Study of World Religions.
MLA
Tucker Mary Evelyn, Williams Duncan Ryuken, Tucker Mary Evelyn and Williams Duncan Ryuken. Buddhism and ecology. Cambridge, Mass: Harvard Univ. Center for the Study of World Religions. 1997.