APA Style

Becerra, E.H., Dymock,W.. (1891). A History Of The Principal Drugs (Volume IV) . London: Kegan Paul, Trench, Trubner&Co.,LTD..

Chicago Style

Becerra, E.H., Dymock,W.. A History Of The Principal Drugs (Volume IV). London: Kegan Paul, Trench, Trubner&Co.,LTD., 1891. .

MLA Style

Becerra, E.H., Dymock,W.. A History Of The Principal Drugs (Volume IV). London: Kegan Paul, Trench, Trubner&Co.,LTD., 1891. .

Turabian Style

Becerra, E.H., Dymock,W.. A History Of The Principal Drugs (Volume IV). London: Kegan Paul, Trench, Trubner&Co.,LTD., 1891. .