APA (7th ed.) Citation

Texas Forest Service & Smith, W. A. (1958). Forest trees of Texas: How to know them (7th edition.). Agricultural and Mechanical College of Texas.

Chicago Style (17th ed.) Citation

Texas Forest Service and W. A. Smith. Forest Trees of Texas: How to Know Them. 7th edition. College Station, Tx: Agricultural and Mechanical College of Texas, 1958.

MLA (9th ed.) Citation

Texas Forest Service and W. A. Smith. Forest Trees of Texas: How to Know Them. 7th edition. Agricultural and Mechanical College of Texas, 1958.