APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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