توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Pierini, S., Warrell, D., de Paulo, A., & Theakston, R. (1996). High incidence of bites and stings by snakes and other animals among rubber tappers and Amazonian Indians of the Jurua Valley, Acre State, Brazil.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Pierini, S., D. Warrell, A. de Paulo, و R. Theakston. High Incidence of Bites and Stings by Snakes and Other Animals Among Rubber Tappers and Amazonian Indians of the Jurua Valley, Acre State, Brazil. 1996.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Pierini, S., et al. High Incidence of Bites and Stings by Snakes and Other Animals Among Rubber Tappers and Amazonian Indians of the Jurua Valley, Acre State, Brazil. 1996.