Prostate-Specific Antigen (PSA Test): Questions & Answers (2017). National Cancer Institute Member Services.
Chicago Style (17th ed.) CitationProstate-Specific Antigen (PSA Test): Questions & Answers (2017). National Cancer Institute Member Services.
MLA (9th ed.) CitationProstate-Specific Antigen (PSA Test): Questions & Answers (2017). National Cancer Institute Member Services.
Warning: These citations may not always be 100% accurate.