APA Style
Hansen, Richard, Stahl, Friedrich. (1993).
Perennials and their garden habitats (Fourth Edition).
London:
Cambrige University press.
Chicago Style
Hansen, Richard, Stahl, Friedrich.
Perennials and their garden habitats.
Fourth Edition
London:
Cambrige University press,
1993.
Texts.
MLA Style
Hansen, Richard, Stahl, Friedrich.
Perennials and their garden habitats.
Fourth Edition
London:
Cambrige University press,
1993.
Texts.
Turabian Style
Hansen, Richard, Stahl, Friedrich.
Perennials and their garden habitats.
Fourth Edition
London:
Cambrige University press,
1993.
Texts.