APA (7th ed.) Citation

Weaver, R. J. (1972). Plant growth substances in agriculture. Freeman.

Chicago Style (17th ed.) Citation

Weaver, Robert J. Plant Growth Substances in Agriculture. San Francisco: Freeman, 1972.

MLA (9th ed.) Citation

Weaver, Robert J. Plant Growth Substances in Agriculture. Freeman, 1972.

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