APA Style
Hopson, Janet L., Wessells, Norman K.. (1990).
Essentials of biology .
United States of America:
Mc Graw Hill Lange.
Chicago Style
Hopson, Janet L., Wessells, Norman K..
Essentials of biology.
United States of America:
Mc Graw Hill Lange,
1990.
Text.
MLA Style
Hopson, Janet L., Wessells, Norman K..
Essentials of biology.
United States of America:
Mc Graw Hill Lange,
1990.
Text.
Turabian Style
Hopson, Janet L., Wessells, Norman K..
Essentials of biology.
United States of America:
Mc Graw Hill Lange,
1990.
Print.