APA ציטוט

Petsko, G. A. (2007). My worries are no longer behind me. BioMed Central.

Citação norma Chicago

Petsko, Gregory A. My Worries Are No Longer Behind Me. BioMed Central, 2007.

ציטוט MLA

Petsko, Gregory A. My Worries Are No Longer Behind Me. BioMed Central, 2007.