Cita APA (7th ed.)
Donaldson, F. (1912). Practical Shaft Sinking. McGraw-Hill.
Cita Chicago (17th ed.)
Donaldson, Francis. Practical Shaft Sinking. New York: McGraw-Hill, 1912.
Cita MLA (9th ed.)
Donaldson, Francis. Practical Shaft Sinking. McGraw-Hill, 1912.
Atenció: Aquestes cites poden no estar 100% correctes.