APA (7th ed.) Citation

Bloss, R. S. (1959). Pony express: The great gamble. Howell-North.

Chicago Style (17th ed.) Citation

Bloss, Roy S. Pony Express: The Great Gamble. Berkeley, Calif.: Howell-North, 1959.

MLA (9th ed.) Citation

Bloss, Roy S. Pony Express: The Great Gamble. Howell-North, 1959.

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