Cita APA (7th ed.)
De Vos, P. (1991). Earthkeeping in the nineties: Stewardship of creation (Rev. ed.). Eerdmans Pub. Co..
Cita Chicago (17th ed.)
De Vos, Peter. Earthkeeping in the Nineties: Stewardship of Creation. Rev. ed. Grand Rapids, Mich.: Eerdmans Pub. Co., 1991.
Cita MLA (9th ed.)
De Vos, Peter. Earthkeeping in the Nineties: Stewardship of Creation. Rev. ed. Eerdmans Pub. Co., 1991.
Atenció: Aquestes cites poden no estar 100% correctes.