Cita APA (7th ed.)

Eaton, R. (1969). German for the scientist (2nd ed.). The English Universities.

Cita Chicago (17th ed.)

Eaton, R.S. German for the Scientist. 2nd ed. London: The English Universities, 1969.

Cita MLA (9th ed.)

Eaton, R.S. German for the Scientist. 2nd ed. The English Universities, 1969.