APA Style
Assem, J, V, D. (1953).
Revision of the Sapotaceae of the Malaysian Area in a Wider Sense IV. Ganua Pierre ex Dubard .
Leiden:
Blumea.
MLA Style
Assem, J., Van, Den.
"Revision of the Sapotaceae of the Malaysian Area in a Wider Sense IV. Ganua Pierre ex Dubard".
Leiden:
Blumea,
1953.
Text.