Readers should cite both the Bio-protocol preprint and the original research article where this protocol was used:

Peer, D(2021). LNP quantification and encapsulation. Bio-protocol Preprint. bio-protocol.org/prep1024.
Rosenblum, D., Gutkin, A., Kedmi, R., Ramishetti, S., Veiga, N., Jacobi, A. M., Schubert, M. S., Friedmann-Morvinski, D., Cohen, Z. R., Behlke, M. A., Lieberman, J. and Peer, D.(2020). CRISPR-Cas9 genome editing using targeted lipid nanoparticles for cancer therapy. Science Advances 6(47). DOI: 10.1126/sciadv.abc9450