APA Style
Denisen, Ervin L,. (1959).
Principles of horticulture .
New York:
Macmillan Company.
Chicago Style
Denisen, Ervin L,.
Principles of horticulture.
New York:
Macmillan Company,
1959.
Text.
MLA Style
Denisen, Ervin L,.
Principles of horticulture.
New York:
Macmillan Company,
1959.
Text.
Turabian Style
Denisen, Ervin L,.
Principles of horticulture.
New York:
Macmillan Company,
1959.
Print.