90⁰ South
MLA
Ponting, Herbert George. 90⁰ South. [Chatsworth, CA]: Image Entertainment, 1999
APA, 7th edition
Ponting, H. George. (1999). 90⁰ South. [Chatsworth, CA]: Image Entertainment
Chicago, 17th edition
Ponting, Herbert George. 90⁰ South. [Chatsworth, CA]: Image Entertainment, 1999