APA (7th ed.) Citation
Bull, I. D., Simpson, I. A., Bergen, P. F. v., & Evershed, R. P. Muck 'n' molecules: Organic geochemical methods for detecting ancient manuring.
Chicago Style (17th ed.) Citation
Bull, I. D., I. A. Simpson, P. F. van Bergen, and R. P. Evershed. Muck 'N' Molecules: Organic Geochemical Methods for Detecting Ancient Manuring.
MLA (9th ed.) Citation
Bull, I. D., et al. Muck 'N' Molecules: Organic Geochemical Methods for Detecting Ancient Manuring.
Warning: These citations may not always be 100% accurate.