Cita APA (7a ed.)

Speight, J. G. (2018). Formulas and calculations for drilling operations (Second edition.). Wiley/Scrivener.

Cita Chicago Style (17a ed.)

Speight, James G. Formulas and Calculations for Drilling Operations. Second edition. Hoboken, NJ, USA: Wiley/Scrivener, 2018.

Cita MLA (8a ed.)

Speight, James G. Formulas and Calculations for Drilling Operations. Second edition. Wiley/Scrivener, 2018.