APA (7th ed.) Citation

Russon, A., & Russon, L. J. (1961). A second German Book / by A. Russon and L.J. Russon. Longmans.

Chicago Style (17th ed.) Citation

Russon, A., and L. J. Russon. A Second German Book / by A. Russon and L.J. Russon. Longmans, 1961.

MLA (9th ed.) Citation

Russon, A., and L. J. Russon. A Second German Book / by A. Russon and L.J. Russon. Longmans, 1961.

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