APA (7th ed.) Citation

Audus, L. J. (1972). Plant growth substances / (by) L.J. Audus (3rd ed.). L. Hill.

Chicago Style (17th ed.) Citation

Audus, L. J. Plant Growth Substances / (by) L.J. Audus. 3rd ed. London: L. Hill, 1972.

MLA (9th ed.) Citation

Audus, L. J. Plant Growth Substances / (by) L.J. Audus. 3rd ed. L. Hill, 1972.

Warning: These citations may not always be 100% accurate.