APA Citation

Ashmead, W. H. (1893). Monograph of the North American Proctotrypidæ. Washington, DC: Gov. Print. Off.

Chicago Style Citation

Ashmead, William Harris. Monograph of the North American Proctotrypidæ. Washington, DC: Gov. Print. Off, 1893.

MLA Citation

Ashmead, William Harris. Monograph of the North American Proctotrypidæ. Washington, DC: Gov. Print. Off, 1893.

Warning: These citations may not always be 100% accurate.