APA (7th ed.) Citation

Tarasconi, A., Coccolini, F., Biffl, W. L., Tomasoni, M., Ansaloni, L., Picetti, E., . . . Peitzman, A. (2020). Perforated and bleeding peptic ulcer: WSES guidelines. World Journal of Emergency Surgery, 15(1), 1. https://doi.org/10.1186/s13017-019-0283-9

Chicago Style (17th ed.) Citation

Tarasconi, Antonio, et al. "Perforated and Bleeding Peptic Ulcer: WSES Guidelines." World Journal of Emergency Surgery 15, no. 1 (2020): 1. https://doi.org/10.1186/s13017-019-0283-9.

MLA (9th ed.) Citation

Tarasconi, Antonio, et al. "Perforated and Bleeding Peptic Ulcer: WSES Guidelines." World Journal of Emergency Surgery, vol. 15, no. 1, 2020, p. 1, https://doi.org/10.1186/s13017-019-0283-9.