Cita APA (7a ed.)

Guttmann, W., & Maucher, M. (2006). Variations on an ordering theme with constraints.

Cita Chicago Style (17a ed.)

Guttmann, Walter, y Markus Maucher. Variations on an Ordering Theme with Constraints. 2006.

Cita MLA (8a ed.)

Guttmann, Walter, y Markus Maucher. Variations on an Ordering Theme with Constraints. 2006.