APA Style
Mayr, Ernst, Ashlock, Peter D.. (1991).
PRINCIPLES OF SYSTEMATIC ZOOLOGY, SECOND EDITION (2nd).
New York:
McGraw-Hill, Inc..
Chicago Style
Mayr, Ernst, Ashlock, Peter D..
PRINCIPLES OF SYSTEMATIC ZOOLOGY, SECOND EDITION.
2nd
New York:
McGraw-Hill, Inc.,
1991.
Text.
MLA Style
Mayr, Ernst, Ashlock, Peter D..
PRINCIPLES OF SYSTEMATIC ZOOLOGY, SECOND EDITION.
2nd
New York:
McGraw-Hill, Inc.,
1991.
Text.
Turabian Style
Mayr, Ernst, Ashlock, Peter D..
PRINCIPLES OF SYSTEMATIC ZOOLOGY, SECOND EDITION.
2nd
New York:
McGraw-Hill, Inc.,
1991.
Print.