MLA

Krull, Germaine. La Route Paris-Biarritz. J. Haumont, 0AD. https://collections.library.yale.edu/catalog/31911738.

APA, 6th edition

Krull, G. (0 C.E.). La route Paris-Biarritz [Pictorial works]. J. Haumont. https://collections.library.yale.edu/catalog/31911738.