APA (7th ed.) Citation

Gregory, L. (1930). [My first play: Preface. 1930].

Chicago Style (17th ed.) Citation

Gregory, Lady. [My First Play: Preface. 1930]. 1930.

MLA (9th ed.) Citation

Gregory, Lady. [My First Play: Preface. 1930]. 1930.

Warning: These citations may not always be 100% accurate.