APA (7th ed.) Citation

Copeland, E. J., Kolb, E. W., & Liddle, A. R. (1990). Topological defects in extended inflation. Fermi National Accelerator Laboratory.

Chicago Style (17th ed.) Citation

Copeland, Edmund J., Edward W. Kolb, and Andrew R. Liddle. Topological Defects in Extended Inflation. [Batavia, Ill.]: Fermi National Accelerator Laboratory, 1990.

MLA (9th ed.) Citation

Copeland, Edmund J., et al. Topological Defects in Extended Inflation. Fermi National Accelerator Laboratory, 1990.