APA (7th ed.) Citation

Čulik, K., Maurer, H. A. c. 2., & Ottmann, T. (1977). On two-symbol complete EOL forms.

Chicago Style (17th ed.) Citation

Čulik, K., Hermann August ca. 20.Jh Maurer, and Thomas Ottmann. On Two-symbol Complete EOL Forms. Karlsruhe, 1977.

MLA (9th ed.) Citation

Čulik, K., et al. On Two-symbol Complete EOL Forms. 1977.