Gaya APA
Proceedings of the Iowa Academy of Science for 1919, Volume XXVI. (1919).
:
Heritage Books of Asia.
Gaya Chicago
Proceedings of the Iowa Academy of Science for 1919, Volume XXVI.
.
:
Heritage Books of Asia,
1919.
Electronic Resource.
Gaya MLA
Proceedings of the Iowa Academy of Science for 1919, Volume XXVI.
.
:
Heritage Books of Asia,
1919.
Electronic Resource.
Gaya Turabian
Proceedings of the Iowa Academy of Science for 1919, Volume XXVI.
:
Heritage Books of Asia,
1919.
Electronic Resource.