The old vegetable neurotics:
hemlock, opium, belladonna and henbane; their physiological action and therapeutical use, alone and in combination; being the Gulstonian Lectures of 1868, extended and including a complete examination of the active constituents of opium.

APA Citation

Harley, J., Julio Mario Santo Domingo Collection. (1869). The old vegetable neurotics: hemlock, opium, belladonna and henbane; their physiological action and therapeutical use, alone and in combination; being the Gulstonian Lectures of 1868, extended and including a complete examination of the active constituents of opium. London: Macmillan.

MLA Citation

Harley, John, 1833-1921, and Julio Mario Santo Domingo Collection. The Old Vegetable Neurotics: Hemlock, Opium, Belladonna And Henbane; Their Physiological Action And Therapeutical Use, Alone And In Combination; Being the Gulstonian Lectures of 1868, Extended And Including a Complete Examination of the Active Constituents of Opium. London: Macmillan, 1869.

Warning: These citations may not always be complete (especially for serials).