APA (7th ed.) Citation

Everitt, N., Everitt, N. M., & Roberts, S. (1990). Indentation creep and anisotropy in magnesium oxide and germanium.

Chicago Style (17th ed.) Citation

Everitt, N., Nicola Mary Everitt, and S. Roberts. Indentation Creep and Anisotropy in Magnesium Oxide and Germanium. 1990.

MLA (9th ed.) Citation

Everitt, N., et al. Indentation Creep and Anisotropy in Magnesium Oxide and Germanium. 1990.