Cita APA (7th ed.)

Duddington, C. L. (1970). Beginner's guide to botany. Pelham.

Cita Chicago (17th ed.)

Duddington, C. L. Beginner's Guide to Botany. London: Pelham, 1970.

Cita MLA (8th ed.)

Duddington, C. L. Beginner's Guide to Botany. Pelham, 1970.