APA (7th ed.) Citation

Thurston, H. A. (1956). The number system. Blackie.

Chicago Style (17th ed.) Citation

Thurston, Hugh Ansfrid. The Number System. London: Blackie, 1956.

MLA (9th ed.) Citation

Thurston, Hugh Ansfrid. The Number System. Blackie, 1956.

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