APA (7th ed.) Citation

Verbeek, R. (1978). Primitiv-rekursive Grzegorczyk-Hierarchien. Inst. f. Informatik.

Chicago Style (17th ed.) Citation

Verbeek, Rutger. Primitiv-rekursive Grzegorczyk-Hierarchien. Bonn: Inst. f. Informatik, 1978.

MLA (9th ed.) Citation

Verbeek, Rutger. Primitiv-rekursive Grzegorczyk-Hierarchien. Inst. f. Informatik, 1978.

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