APA (7th ed.) Citation

Diehl, D., & Donnelly. (2002). How did they manage?: Leadership secrets of history. Spiro Press.

Chicago Style (17th ed.) Citation

Diehl, Daniel, and Donnelly. How Did They Manage?: Leadership Secrets of History. London UK and Rollinsford,USA: Spiro Press, 2002.

MLA (8th ed.) Citation

Diehl, Daniel, and Donnelly. How Did They Manage?: Leadership Secrets of History. Spiro Press, 2002.

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