Keys to subfamilies, tribes, genera and subgenera of the Gerridae of the world
by Herbert B. Hungerford and Ryuichi Matsuda.

APA Citation

Hungerford, H. Barker., Matsuda, R. (1960). Keys to subfamilies, tribes, genera and subgenera of the Gerridae of the world. [Lawrence, Kan.].

MLA Citation

Hungerford, Herbert Barker, 1883-, and Ryuichi Matsuda. Keys to Subfamilies, Tribes, Genera And Subgenera of the Gerridae of the World. [Lawrence, Kan.], 1960.

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