The New Long Island :
a hand book of summer travel : designed for the use and information of visitors to Long Island and its watering places.

APA Citation

Laffan, W. M. (1880). The New Long Island: a hand book of summer travel : designed for the use and information of visitors to Long Island and its watering places. New York: Rogers & Sherwood.

MLA Citation

Laffan, William M. The New Long Island: a Hand Book of Summer Travel : Designed for the Use And Information of Visitors to Long Island And Its Watering Places. New York: Rogers & Sherwood, 1880.

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