APA (7th ed.) Citation

Braunmühl, B. v., Hotzel, E., & Wood, D. (1978). Pre-orders, closure operators and grammar forms. Ges. f. Math. u. Datenverarb.

Chicago Style (17th ed.) Citation

Braunmühl, Burchard von, Edgar Hotzel, and Derick Wood. Pre-orders, Closure Operators and Grammar Forms. St. Augustin: Ges. f. Math. u. Datenverarb, 1978.

MLA (9th ed.) Citation

Braunmühl, Burchard von, et al. Pre-orders, Closure Operators and Grammar Forms. Ges. f. Math. u. Datenverarb, 1978.