APA (7th ed.) Citation

Gant, C. W., Hulbert, W. C., & Rapp, H. F. Determining the drillability of fertilizers. [publisher not identified].

Chicago Style (17th ed.) Citation

Gant, Charles W., Walter C. Hulbert, and Herbert F. Rapp. Determining the Drillability of Fertilizers. 1958: [publisher not identified].

MLA (9th ed.) Citation

Gant, Charles W., et al. Determining the Drillability of Fertilizers. [publisher not identified].