Bulgaria et Romania [cartographic material] : divisa in singulares sangiacatus Silistriam, Nicopolin, Bodinum, Sardiam, Bysantium, Kirkeliam et Gallipolin, una cum finitimis regionibus Valachia, Servia etc. / per Ger. et Leon. Valk.
MLA
Valck, G. (Gerard), 1651 or 1652-1726. Bulgaria et Romania [cartographic material] : divisa in singulares sangiacatus Silistriam, Nicopolin, Bodinum, Sardiam, Bysantium, Kirkeliam et Gallipolin, una cum finitimis regionibus Valachia, Servia etc. / per Ger. et Leon. Valk.. ca. 1702]. https://collections.library.yale.edu/catalog/16618400.
APA, 6th edition
Valck, G. (Gerard), 1651 or 1652-1726. (ca. 1702])[Bulgaria et Romania [cartographic material] : divisa in singulares sangiacatus Silistriam, Nicopolin, Bodinum, Sardiam, Bysantium, Kirkeliam et Gallipolin, una cum finitimis regionibus Valachia, Servia etc. / per Ger. et Leon. Valk.]. https://collections.library.yale.edu/catalog/16618400.
