APA (7th ed.) Citation

Leffler, G. L. (1950). Industrial growth in Pennsylvania, 1939 to 1948.

Chicago Style (17th ed.) Citation

Leffler, George Leland. Industrial Growth in Pennsylvania, 1939 to 1948. State College, Pa, 1950.

MLA (8th ed.) Citation

Leffler, George Leland. Industrial Growth in Pennsylvania, 1939 to 1948. 1950.

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