Cita APA (7th ed.)
Rajala, P. (1970). On the Nesting of the goldeneye.
Cita Chicago (17th ed.)
Rajala, Paavo. On the Nesting of the Goldeneye. 1970.
Cita MLA (9th ed.)
Rajala, Paavo. On the Nesting of the Goldeneye. 1970.
Atenció: Aquestes cites poden no estar 100% correctes.