Cita APA (7th ed.)

Thalmann, H. E. (1960). An index to the genera and species of the foraminifera 1890-1950. George Vanderbilt Foundation.

Cita Chicago (17th ed.)

Thalmann, Hans Ernst. An Index to the Genera and Species of the Foraminifera 1890-1950. San Francisco: George Vanderbilt Foundation, 1960.

Cita MLA (9th ed.)

Thalmann, Hans Ernst. An Index to the Genera and Species of the Foraminifera 1890-1950. George Vanderbilt Foundation, 1960.