APA
George Edward Trease ; William C. E., . (1986). Tratado de farmacognosia. Madrid: Interamericana.
Chicago
George Edward Trease ; William Charles Evans, . 1986. Tratado de farmacognosia. Madrid: Interamericana.
Harvard
George Edward Trease ; William C. E., . (1986). Tratado de farmacognosia. Madrid: Interamericana.
MLA
George Edward Trease ; William Charles Evans, . Tratado de farmacognosia. Madrid: Interamericana. 1986.
