APA stil citiranja

Hackl, C. E. (1975). Programming methodology: Programming methodology : 4th informatik symposium, IBM Germany Wildbad, september 25-27, 1974 (1. izd.). Berlin: Springer Verlag.

Chicago stil citiranja

Hackl, Clemens E. Programming methodology: Programming methodology : 4th informatik symposium, IBM Germany Wildbad, september 25-27, 1974. 1. izd. Berlin: Springer Verlag, 1975.

MLA stil citiranja

Hackl, Clemens E. Programming methodology: Programming methodology : 4th informatik symposium, IBM Germany Wildbad, september 25-27, 1974. 1. izd. Berlin: Springer Verlag, 1975.