APA (7th ed.) Citation

Heisler, W. F. (1939). Petroleum production practices. College Book Store, Oklahoma A. and M. College.

Chicago Style (17th ed.) Citation

Heisler, William Frederick. Petroleum Production Practices. Stillwater: College Book Store, Oklahoma A. and M. College, 1939.

MLA (9th ed.) Citation

Heisler, William Frederick. Petroleum Production Practices. College Book Store, Oklahoma A. and M. College, 1939.

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