APA

Trestrail John Harris, Trestrail John Harris, . (2001). The poison quiz book. U.S.A: Boston Medical Publishing.

Chicago

Trestrail John Harris, Trestrail John Harris, . 2001. The poison quiz book. U.S.A: Boston Medical Publishing.

Harvard

Trestrail John Harris, Trestrail John Harris, . (2001). The poison quiz book. U.S.A: Boston Medical Publishing.

MLA

Trestrail John Harris, Trestrail John Harris, . The poison quiz book. U.S.A: Boston Medical Publishing. 2001.