APA Style

Collins, Gary R.. (). How to Be a People Helper . S.L.: S.N..

Chicago Style

Collins, Gary R.. How to Be a People Helper. S.L.: S.N., . Text.

MLA Style

Collins, Gary R.. How to Be a People Helper. S.L.: S.N., . Text.

Turabian Style

Collins, Gary R.. How to Be a People Helper. S.L.: S.N., . Print.