Cita APA (7a ed.)

Smith, N. R., Gordon, R. E., & Clark, F. E. (1952). Aerobic sporeforming bacteria. United States Department of Agriculture.

Cita Chicago Style (17a ed.)

Smith, Nathan R., Ruth E. Gordon, y Francis E. Clark. Aerobic Sporeforming Bacteria. Washington, D.C: United States Department of Agriculture, 1952.

Cita MLA (9a ed.)

Smith, Nathan R., et al. Aerobic Sporeforming Bacteria. United States Department of Agriculture, 1952.