Smith and Roberts 1954 (1973)

Smith, W. and Roberts, J. M. 1954 (1973). Zuni Law. A Field of Values.

@book{smithandroberts1954,
  author = {Smith, W. and Roberts, J. M.},
  key    = {Smith and Roberts (1954)},
  title  = {Zuni Law. A Field of Values},
  year   = {1954 (1973)}
}