APA (7th ed.) Citation

Chornovol, I. (2009). The ZUNR, Isaiah Bowman and the frontier thesis.

Chicago Style (17th ed.) Citation

Chornovol, I. The ZUNR, Isaiah Bowman and the Frontier Thesis. 2009.

MLA (8th ed.) Citation

Chornovol, I. The ZUNR, Isaiah Bowman and the Frontier Thesis. 2009.

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