APA-viite

Leon, Liberman, A Herbert, & Leon Lachman. (1970). Theary and practice of industrial pharmacy. Lea and Febiger.

Chicago-tyylinen lähdeviittaus

Leon, Liberman, A Herbert, ja Leon Lachman. Theary and Practice of Industrial Pharmacy. Lea and Febiger, 1970.

MLA-viite

Leon, et al. Theary and Practice of Industrial Pharmacy. Lea and Febiger, 1970.