The poetical works.
With memoir and notes &c, by William Michael Rossetti.

APA Citation

Rossetti, C. Georgina., Rossetti, W. Michael. (1920). The poetical works. London: Macmillan.

MLA Citation

Rossetti, Christina Georgina, 1830-1894, and William Michael Rossetti. The Poetical Works. London: Macmillan, 1920.

Warning: These citations may not always be complete (especially for serials).