APA (7th ed.) Citation

Ketner, K. L. (1996). Elements of logic: An introduction to Peirce's existential graphs. Arisbe Associates.

Chicago Style (17th ed.) Citation

Ketner, Kenneth Laine. Elements of Logic: An Introduction to Peirce's Existential Graphs. Lubbock, TX: Arisbe Associates, 1996.

MLA (9th ed.) Citation

Ketner, Kenneth Laine. Elements of Logic: An Introduction to Peirce's Existential Graphs. Arisbe Associates, 1996.

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