On the farm,
by Francis W. Parker and Nellie Lathrop Helm.

APA Citation

Parker, F. W. (Francis Wayland)., Helm, N. Lathrop. (1898). On the farm. New York: D. Appleton and company.

MLA Citation

Parker, Francis W. (Francis Wayland), 1837-1902, and Nellie Lathrop Helm. On the Farm. New York: D. Appleton and company, 1898.

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