APA

Rigdon W., . (19661965). The biographical encyclopaedia & who's who of the American theatre. New York: J. H. Heineman.

Chicago

Rigdon Walter, . 19661965. The biographical encyclopaedia & who's who of the American theatre. New York: J. H. Heineman.

Harvard

Rigdon W., . (19661965). The biographical encyclopaedia & who's who of the American theatre. New York: J. H. Heineman.

MLA

Rigdon Walter, . The biographical encyclopaedia & who's who of the American theatre. New York: J. H. Heineman. 19661965.