APA (7th ed.) Citation

Gregory, S. A. (1966). The design method. Butterworths.

Chicago Style (17th ed.) Citation

Gregory, S. A. The Design Method. London: Butterworths, 1966.

MLA (9th ed.) Citation

Gregory, S. A. The Design Method. Butterworths, 1966.

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