APA

Keenan J. G., Oxford University Press, . (1946). Elementary theory of gas turbines and jet propulsion. London: Oxford University Press.

Chicago

Keenan John Gregory, Oxford University Press, . 1946. Elementary theory of gas turbines and jet propulsion. London: Oxford University Press.

Harvard

Keenan J. G., Oxford University Press, . (1946). Elementary theory of gas turbines and jet propulsion. London: Oxford University Press.

MLA

Keenan John Gregory, Oxford University Press, . Elementary theory of gas turbines and jet propulsion. London: Oxford University Press. 1946.