Cita APA (7a ed.)

Lachlan, R., & Fletcher, W. C. (1904). The elements of plane trigonometry (5th impression.). Edward Arnold.

Cita Chicago Style (17a ed.)

Lachlan, R., y W. C. Fletcher. The Elements of Plane Trigonometry. 5th impression. London: Edward Arnold, 1904.

Cita MLA (9a ed.)

Lachlan, R., y W. C. Fletcher. The Elements of Plane Trigonometry. 5th impression. Edward Arnold, 1904.