APA (7th ed.) Citation

Johnson, P. R. (1929). Some effects of varying quantities of nitrate of soda on the cotton plant. [publisher not identified].

Chicago Style (17th ed.) Citation

Johnson, Paul Rufus. Some Effects of Varying Quantities of Nitrate of Soda on the Cotton Plant. [College Station, Texas]: [publisher not identified], 1929.

MLA (9th ed.) Citation

Johnson, Paul Rufus. Some Effects of Varying Quantities of Nitrate of Soda on the Cotton Plant. [publisher not identified], 1929.