Cita APA (7th ed.)

Waddington, C. H. (1972). Essays. Edinburgh Univ. Press.

Cita Chicago (17th ed.)

Waddington, Conrad H. Essays. Edinburgh: Edinburgh Univ. Press, 1972.

Cita MLA (8th ed.)

Waddington, Conrad H. Essays. Edinburgh Univ. Press, 1972.