APA (7th ed.) Citation

Harding, D. W., & Griffiths, L. (1968). Materials. Longman.

Chicago Style (17th ed.) Citation

Harding, D. W., and Laurie Griffiths. Materials. London: Longman, 1968.

MLA (9th ed.) Citation

Harding, D. W., and Laurie Griffiths. Materials. Longman, 1968.