APA Style
Shrock, Robert R, Twenhofel, William H. (1953).
Principles of Invertebrate Paleontology, SECOND EDITION (Brachiopoda) .
New York:
McGraw-Hill.
Chicago Style
Shrock, Robert R, Twenhofel, William H.
Principles of Invertebrate Paleontology, SECOND EDITION (Brachiopoda).
New York:
McGraw-Hill,
1953.
Text.
MLA Style
Shrock, Robert R, Twenhofel, William H.
Principles of Invertebrate Paleontology, SECOND EDITION (Brachiopoda).
New York:
McGraw-Hill,
1953.
Text.
Turabian Style
Shrock, Robert R, Twenhofel, William H.
Principles of Invertebrate Paleontology, SECOND EDITION (Brachiopoda).
New York:
McGraw-Hill,
1953.
Print.