Cita APA (7th ed.)

Warner, J., Schäffel, F., Rümmeli, M., & Büchner, B. (2009). Examining the edges of multi-layer graphene sheets.

Cita Chicago (17th ed.)

Warner, J., F. Schäffel, M. Rümmeli, i B. Büchner. Examining the Edges of Multi-layer Graphene Sheets. 2009.

Cita MLA (9th ed.)

Warner, J., et al. Examining the Edges of Multi-layer Graphene Sheets. 2009.