APA

Klein Josephine, . (1956). Study of groups. London, UK: Routledge and Kegan Paul Limited.

Chicago

Klein Josephine, . 1956. Study of groups. London, UK: Routledge and Kegan Paul Limited.

Harvard

Klein Josephine, . (1956). Study of groups. London, UK: Routledge and Kegan Paul Limited.

MLA

Klein Josephine, . Study of groups. London, UK: Routledge and Kegan Paul Limited. 1956.