APA (7th ed.) Citation

Gruber, R. (1939). I went to the Soviet Arctic. Simon and Schuster.

Chicago Style (17th ed.) Citation

Gruber, Ruth. I Went to the Soviet Arctic. New York: Simon and Schuster, 1939.

MLA (9th ed.) Citation

Gruber, Ruth. I Went to the Soviet Arctic. Simon and Schuster, 1939.