The parliamentary debates (official report[s]) ...
APA Citation
Great Britain. Parliament., Great Britain. Parliament. (18121908). The parliamentary debates (official report[s]) ... London: Printed for H.M. Stationery Off., by Harrison and Sons.
MLA Citation
Great Britain. Parliament, and Great Britain. Parliament. The Parliamentary Debates (official Report[s]) ... London: Printed for H.M. Stationery Off., by Harrison and Sons, 18121908.
Warning: These citations may not always be complete (especially for serials).