APA (7th ed.) Citation

Henry, P. M. (1964). Estimation of the larval numbers of two Heliothis species in a local population. [publisher not identified].

Chicago Style (17th ed.) Citation

Henry, Patrick Malcolm. Estimation of the Larval Numbers of Two Heliothis Species in a Local Population. [College Station, Tex.]: [publisher not identified], 1964.

MLA (9th ed.) Citation

Henry, Patrick Malcolm. Estimation of the Larval Numbers of Two Heliothis Species in a Local Population. [publisher not identified], 1964.