APA (7th ed.) Citation

Stack, L. (2013). The productivity tip system: Organizing your time, information, and people. The Productivity Pro.

Chicago Style (17th ed.) Citation

Stack, Laura. The Productivity Tip System: Organizing Your Time, Information, and People. Highlands Ranch: The Productivity Pro, 2013.

MLA (9th ed.) Citation

Stack, Laura. The Productivity Tip System: Organizing Your Time, Information, and People. The Productivity Pro, 2013.

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