APA citáció

Grätzer George A., Lakser Harry, & Wehrung Friedrich. (2000). Congruence amalgamation of lattices.

Chicago Style (17th ed.) Citation

Grätzer George A., Lakser Harry, and Wehrung Friedrich. Congruence Amalgamation of Lattices. 2000.

MLA idézés

Grätzer George A., et al. Congruence Amalgamation of Lattices. 2000.