Almgren, T. A. (1842). Specimen analyticum, theoremata quædam nova de integralibus definitis, summatione serierum earumque in alias series transformatione exhibens: Venia ... P.P. mag. Carolus Johannes Malmsten. Excudebant regiæ Academiæ typographi.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Almgren, Thure Augustus. Specimen Analyticum, Theoremata Quædam Nova De Integralibus Definitis, Summatione Serierum Earumque in Alias Series Transformatione Exhibens: Venia ... P.P. Mag. Carolus Johannes Malmsten. Upsaliæ: Excudebant regiæ Academiæ typographi, 1842.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Almgren, Thure Augustus. Specimen Analyticum, Theoremata Quædam Nova De Integralibus Definitis, Summatione Serierum Earumque in Alias Series Transformatione Exhibens: Venia ... P.P. Mag. Carolus Johannes Malmsten. Excudebant regiæ Academiæ typographi, 1842.