National Trust (Great Britain), Lees-Milne, J., Brown, I., Trevelyan, G. M., & Matheson, D. M. (1945). The National Trust: A record of fifty years' achievement. B.T. Batsford.
Style de citation Chicago (17e éd.)National Trust (Great Britain), James Lees-Milne, Ivor Brown, George Macaulay Trevelyan, et D. M. Matheson. The National Trust: A Record of Fifty Years' Achievement. London: B.T. Batsford, 1945.
Style de citation MLA (8e éd.)National Trust (Great Britain), et al. The National Trust: A Record of Fifty Years' Achievement. B.T. Batsford, 1945.
Attention : ces citations peuvent ne pas être correctes à 100%.