APA (7e ed.) Bronvermelding

Baitsell, G. A. (1939). Science in progress ([1st- series].). Yale University Press.

Chicago (17e ed.) Bronvermelding

Baitsell, George Alfred. Science in Progress. [1st- series]. New Haven: Yale University Press, 1939.

MLA (9e ed.) Bronvermelding

Baitsell, George Alfred. Science in Progress. [1st- series]. Yale University Press, 1939.