APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.