Cita APA (7a ed.)

Barkman, J. J., Rose, F., & Westhoff, V. The effects of air pollution on non-vascular plants.

Cita Chicago Style (17a ed.)

Barkman, J. J., F. Rose, y V. Westhoff. The Effects of Air Pollution on Non-vascular Plants.

Cita MLA (8a ed.)

Barkman, J. J., et al. The Effects of Air Pollution on Non-vascular Plants.