APA stil citiranja
Engelfriet, J. (1974). Simple program schemes and formal languages: Simple program schemes and formal languages (1. izd.). Berlin: Springer Verlag.
Chicago stil citiranjaEngelfriet, Joost. Simple program schemes and formal languages: Simple program schemes and formal languages. 1. izd. Berlin: Springer Verlag, 1974.
MLA stil citiranjaEngelfriet, Joost. Simple program schemes and formal languages: Simple program schemes and formal languages. 1. izd. Berlin: Springer Verlag, 1974.
Napomena: Ova citiranost nije uvijek 100% točna.