APA引文

Gregson, J. M. (2014). A necessary end (First world edition.). Severn House.

Chicago Style (17th ed.) Citation

Gregson, J. M. A Necessary End. First world edition. Sutton: Severn House, 2014.

MLA引文

Gregson, J. M. A Necessary End. First world edition. Severn House, 2014.

警告：這些引文格式不一定是100％准確.