APA Style
LUELLEN, WILLIAM R.. (1977).
CROPS AND SOILS (VOL. 29 (6), MARET 1977).
AMERIKA SERIKAT:
AMERICAN SOCIETY OF AGRONOMY IN THE INEREST OF AMERICAN AGRICULTURE.
Chicago Style
LUELLEN, WILLIAM R..
CROPS AND SOILS.
VOL. 29 (6), MARET 1977
AMERIKA SERIKAT:
AMERICAN SOCIETY OF AGRONOMY IN THE INEREST OF AMERICAN AGRICULTURE,
1977.
Text.
MLA Style
LUELLEN, WILLIAM R..
CROPS AND SOILS.
VOL. 29 (6), MARET 1977
AMERIKA SERIKAT:
AMERICAN SOCIETY OF AGRONOMY IN THE INEREST OF AMERICAN AGRICULTURE,
1977.
Text.
Turabian Style
LUELLEN, WILLIAM R..
CROPS AND SOILS.
VOL. 29 (6), MARET 1977
AMERIKA SERIKAT:
AMERICAN SOCIETY OF AGRONOMY IN THE INEREST OF AMERICAN AGRICULTURE,
1977.
Print.