Cita APA (7th ed.)

Black, M., & Edelman, J. (1970). Plant growth. Heinemann Educational.

Cita Chicago (17th ed.)

Black, Michael, i Jack Edelman. Plant Growth. London: Heinemann Educational, 1970.

Cita MLA (9th ed.)

Black, Michael, i Jack Edelman. Plant Growth. Heinemann Educational, 1970.