APA引文

Hitchings, R. A. (1991). Glaucoma: A Colour Manual of Diagnosis and Treatment.

Citação norma Chicago

Hitchings, R A. Glaucoma: A Colour Manual of Diagnosis and Treatment. 1991.

MLA引文

Hitchings, R A. Glaucoma: A Colour Manual of Diagnosis and Treatment. 1991.

警告：這些引文格式不一定是100％准確.