Cita APA (7a ed.)
Bull, I. D., Simpson, I. A., Bergen, P. F. v., & Evershed, R. P. Muck 'n' molecules: Organic geochemical methods for detecting ancient manuring.
Cita Chicago Style (17a ed.)
Bull, I. D., I. A. Simpson, P. F. van Bergen, y R. P. Evershed. Muck 'N' Molecules: Organic Geochemical Methods for Detecting Ancient Manuring.
Cita MLA (9a ed.)
Bull, I. D., et al. Muck 'N' Molecules: Organic Geochemical Methods for Detecting Ancient Manuring.
Precaución: Estas citas no son 100% exactas.