APA Edition Citation

Wahl, E. F. (1977). Geometrical energy utilization. John - Wiley.

Chicago Edition Citation

Wahl, Edward F. Geometrical Energy Utilization. New York: John - Wiley, 1977.

MLA Edition Citation

Wahl, Edward F. Geometrical Energy Utilization. John - Wiley, 1977.

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