APA (7th ed.) Citation

Hall, N., & Robinson, A. (1996). Learning about punctuation. Multilingual Matters.

Chicago Style (17th ed.) Citation

Hall, Nigel, and Anne Robinson. Learning About Punctuation. Clevedon ; : Philadelphia: Multilingual Matters, 1996.

MLA (9th ed.) Citation

Hall, Nigel, and Anne Robinson. Learning About Punctuation. Multilingual Matters, 1996.