APA (7th ed.) Citation

Shaw, L., Winter, W., & Shaw, I. R. (1965). Focus on German for intermediates. Harper & Row.

Chicago Style (17th ed.) Citation

Shaw, Leroy, Werner Winter, and I. R. Shaw. Focus on German for Intermediates. New York: Harper & Row, 1965.

MLA (9th ed.) Citation

Shaw, Leroy, et al. Focus on German for Intermediates. Harper & Row, 1965.