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

Steiner, A A(2021). Culturing splenic, hepatic and alveolar macrophages. Bio-protocol Preprint. bio-protocol.org/prep1130.
Fonseca, M. T., Moretti, E. H., Marques, L. M. M., Machado, B. F., Brito, C. F., Guedes, J. T., Komegae, E. N., Vieira, T. S., Festuccia, W. T., Lopes, N. P. and Steiner, A. A.(2021). A leukotriene-dependent spleen-liver axis drives TNF production in systemic inflammation. Science Signaling 14(679). DOI: 10.1126/scisignal.abb0969