APA (7th ed.) Citation

Vollmer, S., Schoch, D., & Brandes, U. Penalty shoot-outs are tough, but the alternating order is fair. Public Library of Science (PLoS).

Chicago Style (17th ed.) Citation

Vollmer, Silvan, David Schoch, and Ulrik Brandes. Penalty Shoot-outs Are Tough, but the Alternating Order Is Fair. Public Library of Science (PLoS).

MLA (9th ed.) Citation

Vollmer, Silvan, et al. Penalty Shoot-outs Are Tough, but the Alternating Order Is Fair. Public Library of Science (PLoS).