APA (7th ed.) Citation

British Library. (1649). Mercurius Melancholicus for King Charles the Second. [publisher not identified].

Chicago Style (17th ed.) Citation

British Library. Mercurius Melancholicus for King Charles the Second. [London]: [publisher not identified], 1649.

MLA (9th ed.) Citation

British Library. Mercurius Melancholicus for King Charles the Second. [publisher not identified], 1649.

Warning: These citations may not always be 100% accurate.