APA (7th ed.) Citation

(1998). The 20th century year by year. The Five Mile Press Pty Ltd.

Chicago Style (17th ed.) Citation

The 20th Century Year by Year. Australia: The Five Mile Press Pty Ltd, 1998.

MLA (9th ed.) Citation

The 20th Century Year by Year. The Five Mile Press Pty Ltd, 1998.

Warning: These citations may not always be 100% accurate.