APA (7th ed.) Citation

Plant, A., & Brown, F. (1937). Some modern business problems: A series of studies. Books for Libraries Press.

Chicago Style (17th ed.) Citation

Plant, Arnold, and Frederick Brown. Some Modern Business Problems: A Series of Studies. Freeport, N.Y.: Books for Libraries Press, 1937.

MLA (9th ed.) Citation

Plant, Arnold, and Frederick Brown. Some Modern Business Problems: A Series of Studies. Books for Libraries Press, 1937.