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

Hayden, J and Fang-Yen, C(2021). Protocol for "Cryopreservation of dehydrated Caenorhabditis elegans with multiple recoveries using a granular medium". Bio-protocol Preprint. bio-protocol.org/prep1432.
Hayden, J. and Fang-Yen, C.(2021). Cryopreservation of dehydrated Caenorhabditis elegans with multiple recoveries using a granular medium. microPublication Biology. DOI: 10.17912/micropub.biology.000488