MLA:
The citation style recommended by the Modern Language Association is taken from the MLA Handbook for Writers of Research Papers.
Note: While every effort has been made to follow MLA style rules exactly, there may be minor discrepancies in capitalization because article titles in Britannica's encyclopedias do not always conform to the capitalization rules designated by the MLA style. Please refer to the MLA Handbook for Writers of Research Papers if you have any questions.

APA:
The citation style recommended by the American Psychological Association is taken from the APA's Publication Manual, 5^th edition. Note: While every effort has been made to follow APA style rules exactly, there may be minor discrepancies. Please refer to the APA's Publication Manual, 5^th edition if you have any questions.