Cita APA (7th ed.)
Marsland, D. (1964). Principles of morder biology. Holt.
Cita Chicago (17th ed.)
Marsland, Douglas. Principles of Morder Biology. London: Holt, 1964.
Cita MLA (9th ed.)
Marsland, Douglas. Principles of Morder Biology. Holt, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.