APA Citatie

Newcomb, E. H., Gerloff, G. C., & Whittingham, W. F. (1964). Plants in perspective. San Francisco ; London: W. H. Freeman and Company.

Chicago Style citaat

Newcomb, Eldon H., Gerald C. Gerloff, en William F. Whittingham. Plants in Perspective. San Francisco ; London: W. H. Freeman and Company, 1964.

MLA citatie

Newcomb, Eldon H., Gerald C. Gerloff, en William F. Whittingham. Plants in Perspective. San Francisco ; London: W. H. Freeman and Company, 1964.