APA (7th ed.) Citation

Russon, A., & Russon, L. J. (1959). A first German Book / by A. Russon and L.J. Russon. Longmans.

Chicago Style (17th ed.) Citation

Russon, A., and L. J. Russon. A First German Book / by A. Russon and L.J. Russon. Longmans, 1959.

MLA (9th ed.) Citation

Russon, A., and L. J. Russon. A First German Book / by A. Russon and L.J. Russon. Longmans, 1959.

Warning: These citations may not always be 100% accurate.