APA (7th ed.) Citation

Willis, P. (1982). The initial consonant mutations in the Brythonic Celtic languages.

Chicago Style (17th ed.) Citation

Willis, Penny. The Initial Consonant Mutations in the Brythonic Celtic Languages. 1982.

MLA (9th ed.) Citation

Willis, Penny. The Initial Consonant Mutations in the Brythonic Celtic Languages. 1982.

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