APA (7th ed.) Citation

Não informado. (1938). Frontier. Illinois Institute of Technology.

Chicago Style (17th ed.) Citation

Não informado. Frontier. Chicago, Ill: Illinois Institute of Technology, 1938.

MLA (8th ed.) Citation

Não informado. Frontier. Illinois Institute of Technology, 1938.

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