APA Edition Citation

Guild, W. R. How to keep fit and enjoy it: A step by step approach to fitness after 30.

Chicago Edition Citation

Guild, Warren R. How to Keep Fit and Enjoy It: A Step by Step Approach to Fitness After 30.

MLA Edition Citation

Guild, Warren R. How to Keep Fit and Enjoy It: A Step by Step Approach to Fitness After 30.

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