Cita APA (7th ed.)
Walker, W. (1957). All the plants of the Bible. Harper & Brothers.
Cita Chicago (17th ed.)
Walker, Winifred. All the Plants of the Bible. New York: Harper & Brothers, 1957.
Cita MLA (9th ed.)
Walker, Winifred. All the Plants of the Bible. Harper & Brothers, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.