APA (7th ed.) Citation

Nightingale Centenary Exhibition London, England, Royal College of Surgeons of England, & Nightingale, F. (1954). Nightingale Centenary Exhibition, October 26th, 1954: In the great hall of the Royal College of Surgeons, London. [publisher not identified].

Chicago Style (17th ed.) Citation

Nightingale Centenary Exhibition London, England, Royal College of Surgeons of England, and Florence Nightingale. Nightingale Centenary Exhibition, October 26th, 1954: In the Great Hall of the Royal College of Surgeons, London. [London?]: [publisher not identified], 1954.

MLA (8th ed.) Citation

Nightingale Centenary Exhibition London, England, et al. Nightingale Centenary Exhibition, October 26th, 1954: In the Great Hall of the Royal College of Surgeons, London. [publisher not identified], 1954.