APA (7th ed.) Citation

Etchemendy, J. (1990). The concept of logical consequence. Harvard University Press.

Chicago Style (17th ed.) Citation

Etchemendy, John. The Concept of Logical Consequence. Cambridge, Mass. [u.a.]: Harvard University Press, 1990.

MLA (8th ed.) Citation

Etchemendy, John. The Concept of Logical Consequence. Harvard University Press, 1990.