APA (7th ed.) Citation

Honeybourne, M. B., Godfrey, W. H., & Prosser, W. G. (1960). A sketch map of London under Richard II. London Topographical Society.

Chicago Style (17th ed.) Citation

Honeybourne, Marjorie B., Walter H. Godfrey, and William George Prosser. A Sketch Map of London Under Richard II. London: London Topographical Society, 1960.

MLA (9th ed.) Citation

Honeybourne, Marjorie B., et al. A Sketch Map of London Under Richard II. London Topographical Society, 1960.