If you want to cite it here is a citation from Sourcer:
Peter (age 33), son of Joseph Peiffer, married Sarah Fontaime on 20 September 1870 at Christ Church, Watney Street: Watney Street, Tower Hamlets, England.<ref>'''Marriage''':
"London, England, Church of England Marriages and Banns, 1754-1938"<br/>
London Metropolitan Archives; London, England, UK; London Church of England Parish Registers; Reference Number: P93/CTC2/026<br/>
{{Ancestry Sharing|7054918|7b22746f6b656e223a22645336714a7756783750442b7733534a514c61647768653967493978547631454c666969654758792f62513d222c22746f6b656e5f76657273696f6e223a225632227d}} - {{Ancestry Record|1623|2697161}} (accessed 15 October 2023)<br/>
Peter William Peiffer (33) marriage to Sarah Fontaime on 20 Sep 1870 at Christ Church, Watney Street: Watney Street, Tower Hamlets, England.
</ref>