APA (7th ed.) Citation

Stern, G. B. (1957). Seventy times seven. Collins.

Chicago Style (17th ed.) Citation

Stern, G. B. Seventy Times Seven. London: Collins, 1957.

MLA (8th ed.) Citation

Stern, G. B. Seventy Times Seven. Collins, 1957.

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