APA Style
Johansen, Donald Alexander. (1950).
Plant Embryology , Embryogeny of the Spermatophyta .
:
The Chronica Botanica Company.
Chicago Style
Johansen, Donald Alexander.
Plant Embryology , Embryogeny of the Spermatophyta.
:
The Chronica Botanica Company,
1950.
Text.
MLA Style
Johansen, Donald Alexander.
Plant Embryology , Embryogeny of the Spermatophyta.
:
The Chronica Botanica Company,
1950.
Text.
Turabian Style
Johansen, Donald Alexander.
Plant Embryology , Embryogeny of the Spermatophyta.
:
The Chronica Botanica Company,
1950.
Print.