Cita APA (7a ed.)

PENG, S. S. (1986). Coal mine ground control. John Willey & Son.

Cita Chicago Style (17a ed.)

PENG, Syd S. Coal Mine Ground Control. John Willey & Son, 1986.

Cita MLA (8a ed.)

PENG, Syd S. Coal Mine Ground Control. John Willey & Son, 1986.