APA (7th ed.) Citation

British Library & Wharton, G. (1649). Mercurius Elencticus (31 January 1649). [publisher not identified].

Chicago Style (17th ed.) Citation

British Library and George Wharton. Mercurius Elencticus (31 January 1649). [London]: [publisher not identified], 1649.

MLA (9th ed.) Citation

British Library and George Wharton. Mercurius Elencticus (31 January 1649). [publisher not identified], 1649.