APA Style
Youngken, Heber Wilkinson. (1951).
Pharmaceutical botany (7th ed.).
Philadelphia:
Blakiston.
Chicago Style
Youngken, Heber Wilkinson.
Pharmaceutical botany.
7th ed.
Philadelphia:
Blakiston,
1951.
Buku Teks.
MLA Style
Youngken, Heber Wilkinson.
Pharmaceutical botany.
7th ed.
Philadelphia:
Blakiston,
1951.
Buku Teks.
Turabian Style
Youngken, Heber Wilkinson.
Pharmaceutical botany.
7th ed.
Philadelphia:
Blakiston,
1951.
Buku Teks.