A guide to the birds;
prepared with special reference to New England and Eastern New York, but serviceable in all the northern states east of the Mississippi River.

APA Citation

Hoffmann, R., Fuertes, L. Agassiz., Peter and Pidge Curtiss Louis Agassiz Fuertes Collection. (19231904). A guide to the birds: prepared with special reference to New England and Eastern New York, but serviceable in all the northern states east of the Mississippi River. New ed. Boston: Houghton Mifflin.

MLA Citation

Hoffmann, Ralph, 1870-1932, Louis Agassiz Fuertes, and Peter and Pidge Curtiss Louis Agassiz Fuertes Collection. A Guide to the Birds: Prepared With Special Reference to New England And Eastern New York, but Serviceable In All the Northern States East of the Mississippi River. New ed. Boston: Houghton Mifflin, 19231904.

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