APA (7th ed.) Citation

Abbo, F. E. (1979). Steps to a longer life. World Publications Inc.

Chicago Style (17th ed.) Citation

Abbo, Fred E. Steps to a Longer Life. World Publications Inc, 1979.

MLA (8th ed.) Citation

Abbo, Fred E. Steps to a Longer Life. World Publications Inc, 1979.

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