APA (7th ed.) Citation

Killough, D. T. (1925). A quantitative study of variation in Belton cotton. [publisher not identified].

Chicago Style (17th ed.) Citation

Killough, D. T. A Quantitative Study of Variation in Belton Cotton. [Place of publication not identified]: [publisher not identified], 1925.

MLA (9th ed.) Citation

Killough, D. T. A Quantitative Study of Variation in Belton Cotton. [publisher not identified], 1925.