Cita APA (7a ed.)
Toohey William. (1972). A PASSION FOR THE POSSIBLE.
Cita estilo Chicago (17a ed.)
Toohey William. A PASSION FOR THE POSSIBLE. 1972.
Cita MLA (9a ed.)
Toohey William. A PASSION FOR THE POSSIBLE. 1972.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.