APA Style
Oelhaf, Robert C.. (1978).
Organic agriculture : Economic and ecological comparisons with conventional methods .
USA:
Allanheld, Omun & Co..
Chicago Style
Oelhaf, Robert C..
Organic agriculture : Economic and ecological comparisons with conventional methods.
USA:
Allanheld, Omun & Co.,
1978.
Texts.
MLA Style
Oelhaf, Robert C..
Organic agriculture : Economic and ecological comparisons with conventional methods.
USA:
Allanheld, Omun & Co.,
1978.
Texts.
Turabian Style
Oelhaf, Robert C..
Organic agriculture : Economic and ecological comparisons with conventional methods.
USA:
Allanheld, Omun & Co.,
1978.
Texts.