APA

Woolman J., . (1976). Some considerations on the keeping of Negroes, 1754 ; Considerations on keeping Negroes, 1762. New York: Grossman Publishers.

Chicago

Woolman John, . 1976. Some considerations on the keeping of Negroes, 1754 ; Considerations on keeping Negroes, 1762. New York: Grossman Publishers.

Harvard

Woolman J., . (1976). Some considerations on the keeping of Negroes, 1754 ; Considerations on keeping Negroes, 1762. New York: Grossman Publishers.

MLA

Woolman John, . Some considerations on the keeping of Negroes, 1754 ; Considerations on keeping Negroes, 1762. New York: Grossman Publishers. 1976.