APA (7th ed.) Citation

Flowering plants : evolution and classification of higher categories, symposium, & Kubitzki, K. (1977). Flowering plants: Evolution and classification of higher categories. Springer-Verlag.

Chicago Style (17th ed.) Citation

Flowering plants : evolution and classification of higher categories, symposium, and Klaus Kubitzki. Flowering Plants: Evolution and Classification of Higher Categories. New York: Springer-Verlag, 1977.

MLA (9th ed.) Citation

Flowering plants : evolution and classification of higher categories, symposium, and Klaus Kubitzki. Flowering Plants: Evolution and Classification of Higher Categories. Springer-Verlag, 1977.