APA Style
Backer, C.A.. (1929).
The Problem of Krakatao as Seen by a Botanist .
Sourabaya:
C.A.Backer.
Chicago Style
Backer, C.A..
The Problem of Krakatao as Seen by a Botanist.
Sourabaya:
C.A.Backer,
1929.
Hard Copy.
MLA Style
Backer, C.A..
The Problem of Krakatao as Seen by a Botanist.
Sourabaya:
C.A.Backer,
1929.
Hard Copy.
Turabian Style
Backer, C.A..
The Problem of Krakatao as Seen by a Botanist.
Sourabaya:
C.A.Backer,
1929.
Hard Copy.