APA (7th ed.) Citation

Halliday, M. A. K. (1981). Explorations in the functions of language (Repr.). Arnold.

Chicago Style (17th ed.) Citation

Halliday, Michael A. K. Explorations in the Functions of Language. Repr. London: Arnold, 1981.

MLA (9th ed.) Citation

Halliday, Michael A. K. Explorations in the Functions of Language. Repr. Arnold, 1981.

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