APA引文

James, S. (2017). Abacus: Small enough to jail. [publisher not identified].

Chicago Style (17th ed.) Citation

James, Steve. Abacus: Small Enough to Jail. [Place of publication not identified]: [publisher not identified], 2017.

MLA引文

James, Steve. Abacus: Small Enough to Jail. [publisher not identified], 2017.

警告：這些引文格式不一定是100％准確.