Cita APA (7th ed.)

Hawkins, R. R. (1950). Scientific, medical, and technical books published in the United States of America, 1945-48: A selected list of titles in print, with annotations. Supplement.

Cita Chicago (17th ed.)

Hawkins, Reginald Robert. Scientific, Medical, and Technical Books Published in the United States of America, 1945-48: A Selected List of Titles in Print, with Annotations. Supplement. Washington, D.C, 1950.

Cita MLA (9th ed.)

Hawkins, Reginald Robert. Scientific, Medical, and Technical Books Published in the United States of America, 1945-48: A Selected List of Titles in Print, with Annotations. Supplement. 1950.