APA Style

Britannica, E. (1885). Encyclopaedia Britannica a Dictionary Of Arts, Sciences And General Literature Vol XXI ROT-SHR (Ed.9, Cet.1). Edinburgh: Adam and Charles Black.

MLA Style

Britannica, Encyclopaedia. "Encyclopaedia Britannica a Dictionary Of Arts, Sciences And General Literature Vol XXI ROT-SHR". Ed.9, Cet.1 Edinburgh: Adam and Charles Black, 1885. Text.