Catalogue of extremely important gold an silver coins... + Estimates.

MLA

Catalogue of Extremely Important Gold an Silver Coins... + Estimates. Londen: Robert Stockwell, 1968.

APA

(1968). Catalogue of extremely important gold an silver coins... + Estimates. Londen: Robert Stockwell.

Chicago

Catalogue of Extremely Important Gold an Silver Coins... + Estimates. Londen: Robert Stockwell, 1968.