Cita APA (7a ed.)

South Metropolitan Gas Company (London, England), & Leonard William Longstaff Saint Thomas More Collection. (1931). Well Hall. s.n].

Cita Chicago Style (17a ed.)

South Metropolitan Gas Company (London, England), y Leonard William Longstaff Saint Thomas More Collection. Well Hall. [London?: s.n], 1931.

Cita MLA (8a ed.)

South Metropolitan Gas Company (London, England), y Leonard William Longstaff Saint Thomas More Collection. Well Hall. s.n], 1931.