APA (7th ed.) Citation

(1989). Manual Merck (8 ed.). Doyma.

Chicago Style (17th ed.) Citation

Manual Merck. 8 ed. Barcelona: Doyma, 1989.

MLA (9th ed.) Citation

Manual Merck. 8 ed. Doyma, 1989.

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