APA (7th ed.) Citation

Phillips, H. M. (1957). Albert Schweitzer, prophet of freedom. [publisher not identified].

Chicago Style (17th ed.) Citation

Phillips, Herbert M. Albert Schweitzer, Prophet of Freedom. [Evanston, Ill.]: [publisher not identified], 1957.

MLA (9th ed.) Citation

Phillips, Herbert M. Albert Schweitzer, Prophet of Freedom. [publisher not identified], 1957.