APA (7th ed.) Citation

Gregory, D. S. (1881). Practical logic: Or, The art of thinking. Hinds, Noble & Eldredge.

Chicago Style (17th ed.) Citation

Gregory, Daniel Seely. Practical Logic: Or, The Art of Thinking. New York: Hinds, Noble & Eldredge, 1881.

MLA (9th ed.) Citation

Gregory, Daniel Seely. Practical Logic: Or, The Art of Thinking. Hinds, Noble & Eldredge, 1881.

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