APA (7th ed.) Citation

Porten, J. (2018). Take control of your productivity (1st edition.). alt concepts inc.

Chicago Style (17th ed.) Citation

Porten, Jeff. Take Control of Your Productivity. 1st edition. San Diego, CA: alt concepts inc, 2018.

MLA (9th ed.) Citation

Porten, Jeff. Take Control of Your Productivity. 1st edition. alt concepts inc, 2018.