Thirty years :
being poems new and old /
by the author of John Halifax, gentleman, etc. [i.e. D. M. M. Craik].

APA Citation

Craik, D. Maria Mulock. (1880). Thirty years: being poems new and old. London: Macmillan.

MLA Citation

Craik, Dinah Maria Mulock, 1826-1887. Thirty Years: Being Poems New And Old. London: Macmillan, 1880.

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