APA (7th ed.) Citation

Ecker, D. J., Vickers, T. A., & Bruice, T. W. (1992). Pseudo-half-knot formation with RNA. Science, 257, 958. https://doi.org/10.1126/science.1502560

Chicago Style (17th ed.) Citation

Ecker, D. J., T. A. Vickers, and T. W. Bruice. "Pseudo-half-knot Formation with RNA." Science 257 (1992): 958. https://doi.org/10.1126/science.1502560.

MLA (9th ed.) Citation

Ecker, D. J., et al. "Pseudo-half-knot Formation with RNA." Science, vol. 257, 1992, p. 958, https://doi.org/10.1126/science.1502560.