| Citation | Konings, A., 1990, Ad Konings's book of cichlids and all the other fishes of Lake Malawi.. T.F.H. Publications, Inc. 495 p. |
| Ref. | 5595 Konings, A., 1990 |
| Page | 438 |
| Named Used as Valid | Pseudotropheus williamsi |
| Comment | |
| Locality | |
| Distribution | |
| Quote |