Cite

Ola and Blakken and Line, Sine, Trine / by Ingri & Edgar Parin d'Aulaire.

MLA

D'Aulaire, Ingri, 1904-1980. Ola and Blakken and Line, Sine, Trine / by Ingri & Edgar Parin d'Aulaire.. 1933. https://collections.library.yale.edu/catalog/15620109.

APA, 6th edition

D'Aulaire, Ingri, 1904-1980. (1933)[Ola and Blakken and Line, Sine, Trine / by Ingri & Edgar Parin d'Aulaire.]. https://collections.library.yale.edu/catalog/15620109.