APA (7th ed.) Citation

Land, S. K. (1974). From signs to propositions: The concept of form in eighteenth-century semantic theory. Longman.

Chicago Style (17th ed.) Citation

Land, Stephen K. From Signs to Propositions: The Concept of Form in Eighteenth-century Semantic Theory. London: Longman, 1974.

MLA (9th ed.) Citation

Land, Stephen K. From Signs to Propositions: The Concept of Form in Eighteenth-century Semantic Theory. Longman, 1974.