Cita APA (7a ed.)
Boys, C. V. Soap Bubbles: Their Colours and the Forces Which Mold Them. Dover.
Cita estilo Chicago (17a ed.)
Boys, Charles Vernon. Soap Bubbles: Their Colours and the Forces Which Mold Them. Nueva York, EUA: Dover.
Cita MLA (9a ed.)
Boys, Charles Vernon. Soap Bubbles: Their Colours and the Forces Which Mold Them. Dover.
Precaución: Estas citas no son 100% exactas.