APA Style

WELKER, Robert.. (1992). The Teacher As Expert:A Theoritical And Historical Examination . New York: The Univertsity of New York Press.

Chicago Style

WELKER, Robert.. The Teacher As Expert:A Theoritical And Historical Examination. New York: The Univertsity of New York Press, 1992. Text.

MLA Style

WELKER, Robert.. The Teacher As Expert:A Theoritical And Historical Examination. New York: The Univertsity of New York Press, 1992. Text.

Turabian Style

WELKER, Robert.. The Teacher As Expert:A Theoritical And Historical Examination. New York: The Univertsity of New York Press, 1992. Print.