APA (7th ed.) Citation

Schirm, J. H. (2019). The letter that changed everything: In the words of Osvald "Valdik" Holzer, M.D. Prism.

Chicago Style (17th ed.) Citation

Schirm, Joanie Holzer. "The Letter That Changed Everything: In the Words of Osvald "Valdik" Holzer, M.D." Prism 2019.

MLA (8th ed.) Citation

Schirm, Joanie Holzer. "The Letter That Changed Everything: In the Words of Osvald "Valdik" Holzer, M.D." Prism, 2019.