Cita APA (7th ed.)

Villegas, E. M. (2003). A guide to Karl Marx's Das kapital. Ibon Books.

Cita Chicago (17th ed.)

Villegas, Edberto M. A Guide to Karl Marx's Das Kapital. Manila: Ibon Books, 2003.

Cita MLA (9th ed.)

Villegas, Edberto M. A Guide to Karl Marx's Das Kapital. Ibon Books, 2003.