Cita APA (7th ed.)

Stradling, J., & Lane, D. (1981). Development of secondary polycythaemia in chronic airways obstruction.

Cita Chicago (17th ed.)

Stradling, JR, i D. Lane. Development of Secondary Polycythaemia in Chronic Airways Obstruction. 1981.

Cita MLA (9th ed.)

Stradling, JR, i D. Lane. Development of Secondary Polycythaemia in Chronic Airways Obstruction. 1981.

Atenció: Aquestes cites poden no estar 100% correctes.