APA (7th ed.) Citation

Weaver, L. R., & Johnson, F. S. (1951). Tropical seed-bed preparation.

Chicago Style (17th ed.) Citation

Weaver, Lester R., and Frederick S. Johnson. Tropical Seed-bed Preparation. 1951.

MLA (9th ed.) Citation

Weaver, Lester R., and Frederick S. Johnson. Tropical Seed-bed Preparation. 1951.

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