APA (7th ed.) Citation

Keyes, H. (1947). Too tough to die. Compressed Air Magazine., 52, 85.

Chicago Style (17th ed.) Citation

Keyes, H. "Too Tough to Die." Compressed Air Magazine. 52 (1947): 85.

MLA (9th ed.) Citation

Keyes, H. "Too Tough to Die." Compressed Air Magazine., vol. 52, 1947, p. 85.