APA (7th ed.) Citation

(1987). The formal complexity of natural language. D. Reidel Publishing Company.

Chicago Style (17th ed.) Citation

The Formal Complexity of Natural Language. Dordrecht [etc.]: D. Reidel Publishing Company, 1987.

MLA (9th ed.) Citation

The Formal Complexity of Natural Language. D. Reidel Publishing Company, 1987.

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