APA (7th ed.) Citation

Merck. Merck's 1899 manual of the materia medical (2a ed.).

Chicago Style (17th ed.) Citation

Merck. Merck's 1899 Manual of the Materia Medical. 2a ed.

MLA (8th ed.) Citation

Merck. Merck's 1899 Manual of the Materia Medical. 2a ed.

Warning: These citations may not always be 100% accurate.