PNAS (Proceedings of the National Academy of Sciences) paper format
- Page limit
- No fixed limit
- Layout
- Two-column
- Abstract
- 125–250 words
- References
- Numbered
- Citation style
- science
- LaTeX class
- \documentclass[9pt,twocolumn]{article}
Required sections
- Abstract
- Introduction
- Results
- Discussion
- Materials and Methods
- References
Camera-ready back matter: Acknowledgments, Funding, Author Contributions, Competing Interests, Data Availability, Significance Statement.
What reviewers expect
- Quantitative results expected