APA (7th ed.) Citation

Rubin, C., & Parssinen, D. (1998). Managing your business with QuickBooks 6. Peachpit press.

Chicago Style (17th ed.) Citation

Rubin, Charles, and Diane Parssinen. Managing Your Business with QuickBooks 6. Berkeley, CA: Peachpit press, 1998.

MLA (9th ed.) Citation

Rubin, Charles, and Diane Parssinen. Managing Your Business with QuickBooks 6. Peachpit press, 1998.