APA (7th ed.) Citation

Geach, P. T. (1957). Mental acts: Their content and their objects (1. publ.). Routledge & Kegan Paul.

Chicago Style (17th ed.) Citation

Geach, P. T. Mental Acts: Their Content and Their Objects. 1. publ. London: Routledge & Kegan Paul, 1957.

MLA (9th ed.) Citation

Geach, P. T. Mental Acts: Their Content and Their Objects. 1. publ. Routledge & Kegan Paul, 1957.

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