APA

Schwartz R. J., . (1955). The complete dictionary of abbreviations. New York: Crowell.

Chicago

Schwartz Robert J, . 1955. The complete dictionary of abbreviations. New York: Crowell.

Harvard

Schwartz R. J., . (1955). The complete dictionary of abbreviations. New York: Crowell.

MLA

Schwartz Robert J, . The complete dictionary of abbreviations. New York: Crowell. 1955.