APA引文

Rolleston, J. D. (1924). Specimen of Hair-ball of the Stomach.

Citação norma Chicago

Rolleston, J. D. Specimen of Hair-ball of the Stomach. 1924.

MLA引文

Rolleston, J. D. Specimen of Hair-ball of the Stomach. 1924.

警告：這些引文格式不一定是100％准確.