APA (7th ed.) Citation

Anscombe, G. E. M., & Geach, P. T. (1961). Three philosophers. Basil Blackwell.

Chicago Style (17th ed.) Citation

Anscombe, G. E. M., and Peter T. Geach. Three Philosophers. Oxford: Basil Blackwell, 1961.

MLA (9th ed.) Citation

Anscombe, G. E. M., and Peter T. Geach. Three Philosophers. Basil Blackwell, 1961.