APA Style
PUB:, .
(1963).
NATIONAL GEOGRAPHIC. vol. 124
(
6)
.
:
THE NATIONAL GEOGRAPHIC MAGAZINE, WASHINGTON, 1963.
MLA Style
PUB:, .
"NATIONAL GEOGRAPHIC. vol. 124".
6
:
THE NATIONAL GEOGRAPHIC MAGAZINE, WASHINGTON, 1963,
1963.
Text.