Cita APA (7th ed.)

Nowell, D., & Dini, D. (2003). Stress gradient effects in fretting fatigue.

Cita Chicago (17th ed.)

Nowell, D., i D. Dini. Stress Gradient Effects in Fretting Fatigue. 2003.

Cita MLA (9th ed.)

Nowell, D., i D. Dini. Stress Gradient Effects in Fretting Fatigue. 2003.

Atenció: Aquestes cites poden no estar 100% correctes.