APA (7th ed.) Citation

Richard, J. (2025). Level order of quark systems: The puzzle of the Roper resonance, and related questions.

Chicago Style (17th ed.) Citation

Richard, Jean-Marc. Level Order of Quark Systems: The Puzzle of the Roper Resonance, and Related Questions. 2025.

MLA (9th ed.) Citation

Richard, Jean-Marc. Level Order of Quark Systems: The Puzzle of the Roper Resonance, and Related Questions. 2025.

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