APA

Estonian Encyclopaedia Publishers, Latvian Encyclopaedia Publishers & Lithuanian Encyclopaedia Publishers. (1991). The Baltic states. Tallinn: Estonian Encyclopaedia Publishers.

Chicago

Estonian Encyclopaedia Publishers, Latvian Encyclopaedia Publishers and Lithuanian Encyclopaedia Publishers. 1991. The Baltic states. Tallinn: Estonian Encyclopaedia Publishers.

Harvard

Estonian Encyclopaedia Publishers, Latvian Encyclopaedia Publishers and Lithuanian Encyclopaedia Publishers. (1991). The Baltic states. Tallinn: Estonian Encyclopaedia Publishers.

MLA

Estonian Encyclopaedia Publishers, Latvian Encyclopaedia Publishers and Lithuanian Encyclopaedia Publishers. The Baltic states. Tallinn: Estonian Encyclopaedia Publishers. 1991.