APA (7th ed.) Citation

Kaplan, D. E., Melia, T., & Rajendran, S. What can solve the strong CP problem? SpringerOpen.

Chicago Style (17th ed.) Citation

Kaplan, David E., Tom Melia, and Surjeet Rajendran. What Can Solve the Strong CP Problem? SpringerOpen.

MLA (9th ed.) Citation

Kaplan, David E., et al. What Can Solve the Strong CP Problem? SpringerOpen.

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