APA Style
Perl, Philip. (1977).
Ferns .
Alexandria, Virginia:
Time-Life Books.
Chicago Style
Perl, Philip.
Ferns.
Alexandria, Virginia:
Time-Life Books,
1977.
Text.
MLA Style
Perl, Philip.
Ferns.
Alexandria, Virginia:
Time-Life Books,
1977.
Text.
Turabian Style
Perl, Philip.
Ferns.
Alexandria, Virginia:
Time-Life Books,
1977.
Print.