APA (7th ed.) Citation

Weber, G., & Mollenberg, A. (1994). ELM-PE: A Knowledge-based Programming Environment for Learning LISP.

Chicago Style (17th ed.) Citation

Weber, Gerhard, and Antje Mollenberg. ELM-PE: A Knowledge-based Programming Environment for Learning LISP. 1994.

MLA (9th ed.) Citation

Weber, Gerhard, and Antje Mollenberg. ELM-PE: A Knowledge-based Programming Environment for Learning LISP. 1994.

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