APA (7th ed.) Citation

Audus, L. J. Plant growth substances (2a. ed.). s.n.], 1959.

Chicago Style (17th ed.) Citation

Audus, L. J. Plant Growth Substances. 2a. ed. [S.l.: s.n.], 1959.

MLA (9th ed.) Citation

Audus, L. J. Plant Growth Substances. 2a. ed. s.n.], 1959.

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