Cita APA (7a ed.)

Harrel, W., & Betts, E. (1999). QuarkXPress 4 in depth. Coriolis Group.

Cita Chicago Style (17a ed.)

Harrel, William, y Elaine Betts. QuarkXPress 4 in Depth. Scottsdale, Arizona: Coriolis Group, 1999.

Cita MLA (9a ed.)

Harrel, William, y Elaine Betts. QuarkXPress 4 in Depth. Coriolis Group, 1999.