Cita APA (7th ed.)

Parker, C. (1975). Information Sources in Science and Technology. Butterworths.

Cita Chicago (17th ed.)

Parker, C.C. Information Sources in Science and Technology. London: Butterworths, 1975.

Cita MLA (9th ed.)

Parker, C.C. Information Sources in Science and Technology. Butterworths, 1975.

Atenció: Aquestes cites poden no estar 100% correctes.