Davis, P. H., & Cullen, J. (1965). The identification of flowering plant families. London: Oliver & Boyd.
Chicago Style CitationDavis, P. H., and J. Cullen. The Identification of Flowering Plant Families. London: Oliver & Boyd, 1965.
MLA CitationDavis, P. H., and J. Cullen. The Identification of Flowering Plant Families. London: Oliver & Boyd, 1965.
Warning: These citations may not always be 100% accurate.