APA-viite

Thalmann,hans E. (1960). An index to the genera and species of the foraminifera. George vanderbilt foundation.

Chicago-tyylinen lähdeviittaus

Thalmann,hans E. An Index to the Genera and Species of the Foraminifera. California: George vanderbilt foundation, 1960.

MLA-viite

Thalmann,hans E. An Index to the Genera and Species of the Foraminifera. George vanderbilt foundation, 1960.