APA (7e ed.) Bronvermelding

Butler, N. (1874). A practical and critical grammar of the English language. John P. Morton and Company.

Chicago (17e ed.) Bronvermelding

Butler, Noble. A Practical and Critical Grammar of the English Language. Louisville: John P. Morton and Company, 1874.

MLA (8e ed.) Bronvermelding

Butler, Noble. A Practical and Critical Grammar of the English Language. John P. Morton and Company, 1874.