APA (7th ed.) Citation

Eaton, H. S. (1940). An English-French-German-Spanish word frequency dictionary: A correlation of the first six thousand words in four single-language frequency lists. Dover Publications.

Chicago Style (17th ed.) Citation

Eaton, Helen S. An English-French-German-Spanish Word Frequency Dictionary: A Correlation of the First Six Thousand Words in Four Single-language Frequency Lists. New York: Dover Publications, 1940.

MLA (9th ed.) Citation

Eaton, Helen S. An English-French-German-Spanish Word Frequency Dictionary: A Correlation of the First Six Thousand Words in Four Single-language Frequency Lists. Dover Publications, 1940.

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