APA (7th ed.) Citation

Brown, W. H., Morton, S. W., & Brown, H. R. (1961). The power of sympathy. New Frontiers Press.

Chicago Style (17th ed.) Citation

Brown, William Hill, Sarah Wentworth Morton, and Herbert Ross Brown. The Power of Sympathy. Boston: New Frontiers Press, 1961.

MLA (9th ed.) Citation

Brown, William Hill, et al. The Power of Sympathy. New Frontiers Press, 1961.