APA (7th ed.) Citation

Haley, J. E. (1954). Story of the Shamrock. The Shamrock Oil and Gas Corporation.

Chicago Style (17th ed.) Citation

Haley, J. Evetts. Story of the Shamrock. Amarillo, Texas: The Shamrock Oil and Gas Corporation, 1954.

MLA (9th ed.) Citation

Haley, J. Evetts. Story of the Shamrock. The Shamrock Oil and Gas Corporation, 1954.

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