Kato et al. n.d.

Kato, B., Z. Yoder & Roger and Blench. n.d. The Maya [Yedang] languages. ( http://www.rogerblench.info/Linguistics%20papers%20opening%20page.htm Accessed: 10 Nov 2009.)

@misc{4884,
  author = {Kato and B. and Yoder, Z. and  and Blench, Roger},
  title  = {The Maya [Yedang] languages. ( http://www.rogerblench.info/Linguistics%20papers%20opening%20page.htm Accessed: 10 Nov 2009.)},
  year   = {n.d.}
}