APA (7th ed.) Citation

Hüllen, W. (1994). The world in a list of words. Lexicographica.

Chicago Style (17th ed.) Citation

Hüllen, Werner. "The World in a List of Words." Lexicographica 1994.

MLA (9th ed.) Citation

Hüllen, Werner. "The World in a List of Words." Lexicographica, 1994.

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