The scale (or ladder) of perfection

MLA

Hilton, Walter, and John Dobree Dalgairns. The Scale (or Ladder) of Perfection. A new edition. London: Art & Book Company, 1901.

APA

Hilton, W., & Dalgairns, J. Dobree. (1901). The scale (or ladder) of perfection. A new edition. London: Art & Book Company.

Chicago

Hilton, Walter, and John Dobree Dalgairns. The Scale (or Ladder) of Perfection. A new edition. London: Art & Book Company, 1901.