APA (7th ed.) Citation

Sainbury, M. (1991). Logical forms: An introduction to philosophical logic. Blackwell publishers.

Chicago Style (17th ed.) Citation

Sainbury, Mark. Logical Forms: An Introduction to Philosophical Logic. Oxford: Blackwell publishers, 1991.

MLA (8th ed.) Citation

Sainbury, Mark. Logical Forms: An Introduction to Philosophical Logic. Blackwell publishers, 1991.

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