APA (7th ed.) Citation

Durell, F. (1914). Fundamental sources of efficiency. Lippincott.

Chicago Style (17th ed.) Citation

Durell, Fletcher. Fundamental Sources of Efficiency. Philadelphia: Lippincott, 1914.

MLA (8th ed.) Citation

Durell, Fletcher. Fundamental Sources of Efficiency. Lippincott, 1914.