APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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