APA

Goldman W. Z., Filtzer D. A., . (2021). Fortress dark and stern. New York, New York: Oxford University Press.

Chicago

Goldman Wendy Z, Filtzer Donald A, . 2021. Fortress dark and stern. New York, New York: Oxford University Press.

Harvard

Goldman W. Z., Filtzer D. A., . (2021). Fortress dark and stern. New York, New York: Oxford University Press.

MLA

Goldman Wendy Z, Filtzer Donald A, . Fortress dark and stern. New York, New York: Oxford University Press. 2021.