APA (7th ed.) Citation

Harding, L., & Aitken, D. (1985). The web of time. Penguin Books.

Chicago Style (17th ed.) Citation

Harding, Lee, and Drew Aitken. The Web of Time. Ringwood, Victoria ; New York, N.Y.: Penguin Books, 1985.

MLA (9th ed.) Citation

Harding, Lee, and Drew Aitken. The Web of Time. Penguin Books, 1985.