APA引文

Sarna. (2010). Formers cruises and ports of call (7.). Wiley.

Chicago Edition Citation

Sarna. Formers Cruises and Ports of Call. 7. Wiley, 2010.

MLA引文

Sarna. Formers Cruises and Ports of Call. 7. Wiley, 2010.

警告：這些引文格式不一定是100％准確.