Cita APA (7a ed.)

Skinner, W. R. (1910). The oil and petroleum manual for . Walter R. Skinner.

Cita Chicago Style (17a ed.)

Skinner, Walter Robert. The Oil and Petroleum Manual for . London: Walter R. Skinner, 1910.

Cita MLA (9a ed.)

Skinner, Walter Robert. The Oil and Petroleum Manual for . Walter R. Skinner, 1910.