APA (7th ed.) Citation

Armstrong, T. (2007). 5 questions every leader must ask. CRM Learning.

Chicago Style (17th ed.) Citation

Armstrong, Tim. 5 Questions Every Leader Must Ask. Carlsbad, CA: CRM Learning, 2007.

MLA (9th ed.) Citation

Armstrong, Tim. 5 Questions Every Leader Must Ask. CRM Learning, 2007.