APA (7th ed.) Citation

Gratzer, G. A. (1968). Universal algebra. Van Nostrand.

Chicago Style (17th ed.) Citation

Gratzer, George A. Universal Algebra. Princeton, N.J: Van Nostrand, 1968.

MLA (9th ed.) Citation

Gratzer, George A. Universal Algebra. Van Nostrand, 1968.

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