APA (7th ed.) Citation

Cohan, G. M., & Biggers, E. D. (1914). Seven keys to Baldpate: A mysterious melodramatic farce in a prologue, two acts and an epilogue. Samuel French.

Chicago Style (17th ed.) Citation

Cohan, George M., and Earl Derr Biggers. Seven Keys to Baldpate: A Mysterious Melodramatic Farce in a Prologue, Two Acts and an Epilogue. New York ; London: Samuel French, 1914.

MLA (8th ed.) Citation

Cohan, George M., and Earl Derr Biggers. Seven Keys to Baldpate: A Mysterious Melodramatic Farce in a Prologue, Two Acts and an Epilogue. Samuel French, 1914.