Cita APA (7th ed.)

SWAN, G. (1967). An introduction to the alkaloids. Black well Scientific.

Cita Chicago (17th ed.)

SWAN, G.A. An Introduction to the Alkaloids. Oxford: Black well Scientific, 1967.

Cita MLA (9th ed.)

SWAN, G.A. An Introduction to the Alkaloids. Black well Scientific, 1967.