APA (7th ed.) Citation

Blackwood, A. (1938). The promise of air ("New edition.".). E. P. Dutton & company.

Chicago Style (17th ed.) Citation

Blackwood, Algernon. The Promise of Air. "New edition.". New York: E. P. Dutton & company, 1938.

MLA (9th ed.) Citation

Blackwood, Algernon. The Promise of Air. "New edition.". E. P. Dutton & company, 1938.