APA (7th ed.) Citation

Bickerton, D. (2015). Roots of language. Language Science Press.

Chicago Style (17th ed.) Citation

Bickerton, Derek. Roots of Language. Language Science Press, 2015.

MLA (9th ed.) Citation

Bickerton, Derek. Roots of Language. Language Science Press, 2015.

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