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

Hansen, J, Kaiser, F, Schmidt, F and Wachten, D(2021). Confocal microscopy and image analysis. Bio-protocol Preprint. bio-protocol.org/prep1125.
Hansen, J. N., Kaiser, F., Klausen, C., Stüven, B., Chong, R., Bönigk, W., Mick, D. U., Möglich, A., Jurisch-Yaksi, N., Schmidt, F. I. and Wachten, D.(2020). Nanobody-directed targeting of optogenetic tools to study signaling in the primary cilium. eLIFE. DOI: 10.7554/eLife.57907