APA (7th ed.) Citation

Merck & Co. Merck's 1899 Manual of the Materia Medica.

Chicago Style (17th ed.) Citation

Merck & Co. Merck's 1899 Manual of the Materia Medica.

MLA (9th ed.) Citation

Merck & Co. Merck's 1899 Manual of the Materia Medica.

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