APA (7th ed.) Citation

Chittenden, F. H. (1908). Harlequin cabbage bug. [publisher not identified].

Chicago Style (17th ed.) Citation

Chittenden, F. H. Harlequin Cabbage Bug. Washington, D.C.: [publisher not identified], 1908.

MLA (9th ed.) Citation

Chittenden, F. H. Harlequin Cabbage Bug. [publisher not identified], 1908.