Gaya APA
The Fresh-water Algae of the United States. (1950).
London:
Mc Graw-Hill.
Gaya Chicago
The Fresh-water Algae of the United States.
.
London:
Mc Graw-Hill,
1950.
Buku.
Gaya MLA
The Fresh-water Algae of the United States.
.
London:
Mc Graw-Hill,
1950.
Buku.
Gaya Turabian
The Fresh-water Algae of the United States.
London:
Mc Graw-Hill,
1950.
Buku.