APA ציטוט

Eardly, B. D., Materon, L. A., Smith, N. H., Johnson, D. A., Rumbaugh, M. D., & Selander, R. K. (1990). Genetic structure of natural populations of the nitrogen-fixing bacterium Rhizobium meliloti.

Citação norma Chicago

Eardly, B D., L A. Materon, N H. Smith, D A. Johnson, M D. Rumbaugh, and R K. Selander. Genetic Structure of Natural Populations of the Nitrogen-fixing Bacterium Rhizobium Meliloti. 1990.

ציטוט MLA

Eardly, B D., et al. Genetic Structure of Natural Populations of the Nitrogen-fixing Bacterium Rhizobium Meliloti. 1990.