Penggayaan APA

KEETON, William T.. (1980). Biological science . New York: W. W. Norton.

Chicago Style

KEETON, William T.. Biological science. New York: W. W. Norton, 1980. Buku.

MLA Style

KEETON, William T.. Biological science. New York: W. W. Norton, 1980. Buku.

Turabian Style

KEETON, William T.. Biological science. New York: W. W. Norton, 1980. Buku.