Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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