Cita APA

Leffler, G. L. (1952). Seasonal changes in Pennsylvania business.

Citación estilo Chicago

Leffler, George Leland. Seasonal Changes in Pennsylvania Business. State College, 1952.

Cita MLA

Leffler, George Leland. Seasonal Changes in Pennsylvania Business. 1952.

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