Cita APA (7th ed.)

Toft. Louis & Kersey, A. T. J. j. a. (1949). Theory of machines ; a textbook covering the syllabuses of the B. Sc. (Eng.), A. M. Inst. C. E., and A. M. I. Mech. E. erxaminations in this subject (6th ed.).

Cita Chicago (17th ed.)

Toft. Louis i Alfred Thomas John joint auth Kersey. Theory of Machines ; a Textbook Covering the Syllabuses of the B. Sc. (Eng.), A. M. Inst. C. E., and A. M. I. Mech. E. Erxaminations in This Subject. 6th ed. London, Sir I. Pitman & sons, ltd, 1949.

Cita MLA (9th ed.)

Toft. Louis i Alfred Thomas John joint auth Kersey. Theory of Machines ; a Textbook Covering the Syllabuses of the B. Sc. (Eng.), A. M. Inst. C. E., and A. M. I. Mech. E. Erxaminations in This Subject. 6th ed. 1949.