APA (7th ed.) Citation

C. & J. Greenwood, Greenwood & Co, & Neele, J. (1830). Map of London. Greenwood.

Chicago Style (17th ed.) Citation

C. & J. Greenwood, Greenwood & Co, and Josiah Neele. Map of London. [London]: Greenwood, 1830.

MLA (9th ed.) Citation

C. & J. Greenwood, et al. Map of London. Greenwood, 1830.