Cita APA (7a ed.)
Dike, H., & Tenggren, G. Stories from the Great Metropolitan Operas. Random House.
Cita estilo Chicago (17a ed.)
Dike, Helen, y Gustaf Tenggren. Stories from the Great Metropolitan Operas. Nueva York, EUA: Random House.
Cita MLA (9a ed.)
Dike, Helen, y Gustaf Tenggren. Stories from the Great Metropolitan Operas. Random House.
警告：這些引文格式不一定是100％准確.