APA (7th ed.) Citation

Speicher, O., Stollhans, S., & Helm, F. (2015). Feedback on feedback: Does it work? Research-publishing.net.

Chicago Style (17th ed.) Citation

Speicher, Oranna, Sascha Stollhans, and Francesca Helm. Feedback on Feedback: Does It Work? Research-publishing.net, 2015.

MLA (9th ed.) Citation

Speicher, Oranna, et al. Feedback on Feedback: Does It Work? Research-publishing.net, 2015.