Cita APA (7th ed.)

Waddington, C. H. (1969). Sketches. Edinburgh Univ. Press.

Cita Chicago (17th ed.)

Waddington, Conrad H. Sketches. Edinburgh: Edinburgh Univ. Press, 1969.

Cita MLA (8th ed.)

Waddington, Conrad H. Sketches. Edinburgh Univ. Press, 1969.