Gaya APA

MARSHALL, GEORGE, POLING, DAVID. (1971, 2000). SCHWEITZER; A BIOGRAPHY . BALTIMORE AND LONDON: JOHN HOPKINS UNIVERSITY PRESS.

Gaya Chicago

MARSHALL, GEORGE, POLING, DAVID. SCHWEITZER; A BIOGRAPHY. BALTIMORE AND LONDON: JOHN HOPKINS UNIVERSITY PRESS, 1971, 2000. Text.

Gaya MLA

MARSHALL, GEORGE, POLING, DAVID. SCHWEITZER; A BIOGRAPHY. BALTIMORE AND LONDON: JOHN HOPKINS UNIVERSITY PRESS, 1971, 2000. Text.

Gaya Turabian

MARSHALL, GEORGE, POLING, DAVID. SCHWEITZER; A BIOGRAPHY. BALTIMORE AND LONDON: JOHN HOPKINS UNIVERSITY PRESS, 1971, 2000. Print.