APA

Johns Hopkins University, . (1972). The Johns Hopkins symposia in comparative history. Baltimore, Md. [u.a.]: Johns Hopkins Univ. Press.

Chicago

Johns Hopkins University, . 1972. The Johns Hopkins symposia in comparative history. Baltimore, Md. [u.a.]: Johns Hopkins Univ. Press.

Harvard

Johns Hopkins University, . (1972). The Johns Hopkins symposia in comparative history. Baltimore, Md. [u.a.]: Johns Hopkins Univ. Press.

MLA

Johns Hopkins University, . The Johns Hopkins symposia in comparative history. Baltimore, Md. [u.a.]: Johns Hopkins Univ. Press. 1972.