APA (7th ed.) Citation

International Organization of Plant Biosystematists & Grant, W. F. (1984). Plant biosystematics. Academic Press.

Chicago Style (17th ed.) Citation

International Organization of Plant Biosystematists and William F. Grant. Plant Biosystematics. Toronto ; New York: Academic Press, 1984.

MLA (9th ed.) Citation

International Organization of Plant Biosystematists and William F. Grant. Plant Biosystematics. Academic Press, 1984.