APA (7th ed.) Citation

Hill, O., Ruskin, J., & Maurice, E. S. H. (1928). Octavia Hill: Early ideals, from letters. G. Allen & Unwin.

Chicago Style (17th ed.) Citation

Hill, Octavia, John Ruskin, and Emily Southwood Hill Maurice. Octavia Hill: Early Ideals, from Letters. London: G. Allen & Unwin, 1928.

MLA (9th ed.) Citation

Hill, Octavia, et al. Octavia Hill: Early Ideals, from Letters. G. Allen & Unwin, 1928.