APA (7th ed.) Citation

Howe, E. D. (1939). Present trends in heat power engineering instruction. Journal of Engineering Education, 29, 811.

Chicago Style (17th ed.) Citation

Howe, E. D. "Present Trends in Heat Power Engineering Instruction." Journal of Engineering Education 29 (1939): 811.

MLA (9th ed.) Citation

Howe, E. D. "Present Trends in Heat Power Engineering Instruction." Journal of Engineering Education, vol. 29, 1939, p. 811.