APA (7th ed.) Citation

linkedin.com (Firm) & Allen, D. (2014). Getting Things Done. linkedin.com.

Chicago Style (17th ed.) Citation

linkedin.com (Firm) and David Allen. Getting Things Done. Carpenteria, CA: linkedin.com, 2014.

MLA (8th ed.) Citation

linkedin.com (Firm) and David Allen. Getting Things Done. linkedin.com, 2014.

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