Krupp, A., Berdrow, W., & Dickes, E. W. (1930). Krupp, a great business man seen through his letters. L. MacVeagh, The Dial press.
Chicago Style (17th ed.) CitationKrupp, Alfred, Wilhelm Berdrow, and E. W. Dickes. Krupp, a Great Business Man Seen Through His Letters. New York: L. MacVeagh, The Dial press, 1930.
MLA (9th ed.) CitationKrupp, Alfred, et al. Krupp, a Great Business Man Seen Through His Letters. L. MacVeagh, The Dial press, 1930.
Warning: These citations may not always be 100% accurate.