Cita APA (7th ed.)

Grätzer, G. (1971). Lattice Theory: First Concepts. W.H. Freeman.

Cita Chicago (17th ed.)

Grätzer, George. Lattice Theory: First Concepts. San Francisco: W.H. Freeman, 1971.

Cita MLA (9th ed.)

Grätzer, George. Lattice Theory: First Concepts. W.H. Freeman, 1971.