The spider book :
a manual for the study of the spiders and their near relatives, the scorpions, pseudoscorpions, whip-scorpions, harvestmen, and other members of the class Arachnida, found in America north of Mexico, with analytical keys for their classification and popular accounts of their habits.
by John Henry Comstock; rev and edited by W. J. Gertsch.

APA Citation

Comstock, J. Henry. (19651948). The spider book: a manual for the study of the spiders and their near relatives, the scorpions, pseudoscorpions, whip-scorpions, harvestmen, and other members of the class Arachnida, found in America north of Mexico, with analytical keys for their classification and popular accounts of their habits. Ithaca, [N.Y.]: Comstock Publishing Associates.

MLA Citation

Comstock, John Henry, 1849-1931. The Spider Book: a Manual for the Study of the Spiders And Their Near Relatives, the Scorpions, Pseudoscorpions, Whip-scorpions, Harvestmen, And Other Members of the Class Arachnida, Found In America North of Mexico, With Analytical Keys for Their Classification And Popular Accounts of Their Habits. Ithaca, [N.Y.]: Comstock Publishing Associates, 19651948.

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