Cite
THE BLACK BOX RATE OF RETURN.
MLA
Nell, Edward J. “The Black Box Rate of Return.” Kyklos, vol. 28, no. 4, Dec. 1975, p. 803. EBSCOhost, https://doi.org/10.1111/j.1467-6435.1975.tb02175.x.
APA
Nell, E. J. (1975). The Black Box Rate of Return. Kyklos, 28(4), 803. https://doi.org/10.1111/j.1467-6435.1975.tb02175.x
Chicago
Nell, Edward J. 1975. “The Black Box Rate of Return.” Kyklos 28 (4): 803. doi:10.1111/j.1467-6435.1975.tb02175.x.