Cita APA (7a ed.)

Gwyther, J. L., Brown, W. D., & Williams, G. (1970). O. 1 mechanical engineering science in SI units. Heinemann Educational.

Cita Chicago Style (17a ed.)

Gwyther, John Lionel, William Donald Brown, y G. Williams. O. 1 Mechanical Engineering Science in SI Units. London: Heinemann Educational, 1970.

Cita MLA (8a ed.)

Gwyther, John Lionel, et al. O. 1 Mechanical Engineering Science in SI Units. Heinemann Educational, 1970.