APA (7th ed.) Citation

Sobin, G. (1984). The earth as air (A new directions book.). New Directions.

Chicago Style (17th ed.) Citation

Sobin, Gustaf. The Earth as Air. A new directions book. New York: New Directions, 1984.

MLA (9th ed.) Citation

Sobin, Gustaf. The Earth as Air. A new directions book. New Directions, 1984.