The book of British butterflies :
a practical manual for collectors and naturalists /
by W.J. Lucas ; with illustrations by the author

APA Citation

Lucas, W. John. (1893). The book of British butterflies: a practical manual for collectors and naturalists. London: L. Upcott Gill.

MLA Citation

Lucas, William John. The Book of British Butterflies: a Practical Manual for Collectors And Naturalists. London: L. Upcott Gill, 1893.

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