APA Style
Hawkins,A.D.. (1981).
Aquarium Systems .
:
Academic Press.
Chicago Style
Hawkins,A.D..
Aquarium Systems.
:
Academic Press,
1981.
Text.
MLA Style
Hawkins,A.D..
Aquarium Systems.
:
Academic Press,
1981.
Text.
Turabian Style
Hawkins,A.D..
Aquarium Systems.
:
Academic Press,
1981.
Print.