APA (7th ed.) Citation

Sala, H. J. (1998). Heroes: People who made a difference in our world. OMF Literature.

Chicago Style (17th ed.) Citation

Sala, Harold J. Heroes: People Who Made a Difference in Our World. Manila: OMF Literature, 1998.

MLA (9th ed.) Citation

Sala, Harold J. Heroes: People Who Made a Difference in Our World. OMF Literature, 1998.

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