APA

Spolin V., . (1973). Improvisation for the theater: a handbook of teaching and directing techniques. [Evanston, Ill.]: Northwestern University Press.

Chicago

Spolin Viola, . 1973. Improvisation for the theater: a handbook of teaching and directing techniques. [Evanston, Ill.]: Northwestern University Press.

Harvard

Spolin V., . (1973). Improvisation for the theater: a handbook of teaching and directing techniques. [Evanston, Ill.]: Northwestern University Press.

MLA

Spolin Viola, . Improvisation for the theater: a handbook of teaching and directing techniques. [Evanston, Ill.]: Northwestern University Press. 1973.