APA (7th ed.) Citation

Zurhorst, C. (1973). The first cowboys and those who followed. Abelard-Schuman.

Chicago Style (17th ed.) Citation

Zurhorst, Charles. The First Cowboys and Those Who Followed. New York: Abelard-Schuman, 1973.

MLA (9th ed.) Citation

Zurhorst, Charles. The First Cowboys and Those Who Followed. Abelard-Schuman, 1973.

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