APA (7th ed.) Citation

Heck, A. (1983). Involutive automorphisms of root systems.

Chicago Style (17th ed.) Citation

Heck, Andr. Involutive Automorphisms of Root Systems. Nijmegen, the Netherlands, 1983.

MLA (9th ed.) Citation

Heck, Andr. Involutive Automorphisms of Root Systems. 1983.

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