APA (7th ed.) Citation

Hoffmann, C. An introduction to bilingualism (1st pub., 1st imp.). Longman.

Chicago Style (17th ed.) Citation

Hoffmann, Charlotte. An Introduction to Bilingualism. 1st pub., 1st imp. London [etc.]: Longman.

MLA (9th ed.) Citation

Hoffmann, Charlotte. An Introduction to Bilingualism. 1st pub., 1st imp. Longman.

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