APA (7th ed.) Citation

Semaan, M., Quarles, C., & Nikiel, L. (2001). Positron Annihilation Spectroscopy of Carbon Black / Silica Filled Rubber Polymers.

Chicago Style (17th ed.) Citation

Semaan, Mars, C.A Quarles, and Leszek Nikiel. Positron Annihilation Spectroscopy of Carbon Black / Silica Filled Rubber Polymers. 2001.

MLA (9th ed.) Citation

Semaan, Mars, et al. Positron Annihilation Spectroscopy of Carbon Black / Silica Filled Rubber Polymers. 2001.

Warning: These citations may not always be 100% accurate.