Citazione Stile APA (7a Edizione)

Amer, T. S., Bek, M. A., & Hamada, I. S. (2016). On the Motion of Harmonically Excited Spring Pendulum in Elliptic Path Near Resonances. Wiley.

Citazione stile Chigago Style (17a edizione)

Amer, T. S., M. A. Bek, e I. S. Hamada. On the Motion of Harmonically Excited Spring Pendulum in Elliptic Path Near Resonances. Wiley, 2016.

Citatione MLA (9a ed.)

Amer, T. S., et al. On the Motion of Harmonically Excited Spring Pendulum in Elliptic Path Near Resonances. Wiley, 2016.