APA (7th ed.) Citation

Mucina, L., & van der Maarel, E. (1989). Twenty years of numerical syntaxonomy.

Chicago Style (17th ed.) Citation

Mucina, Ladislav, and E. van der Maarel. Twenty Years of Numerical Syntaxonomy. 1989.

MLA (9th ed.) Citation

Mucina, Ladislav, and E. van der Maarel. Twenty Years of Numerical Syntaxonomy. 1989.

Warning: These citations may not always be 100% accurate.