CULLEN J. (1997). THE IDENTIFICATION OF FLOWERING PLANT FAMILIES (4.). CAMBRIDGE UNIVERSITY PRESS.
Chicago Edition CitationCULLEN J. THE IDENTIFICATION OF FLOWERING PLANT FAMILIES. 4. CAMBRIDGE: CAMBRIDGE UNIVERSITY PRESS, 1997.
MLA Edition CitationCULLEN J. THE IDENTIFICATION OF FLOWERING PLANT FAMILIES. 4. CAMBRIDGE UNIVERSITY PRESS, 1997.
Warning: These citations may not always be 100% accurate.