Cita APA

Balkwill, D. L., & Casida, L. E. (1973). Microflora of Soil as Viewed by Freeze-Etching.

Citación estilo Chicago

Balkwill, D. L., y L. E. Casida. Microflora of Soil As Viewed By Freeze-Etching. 1973.

Cita MLA

Balkwill, D. L., y L. E. Casida. Microflora of Soil As Viewed By Freeze-Etching. 1973.