Marx, D. S. (1942). Let's look at the plant world: An observational record of the forces and factors behind the phenomena of plant life (First edition.). The Botanic publishing company.
Chicago Style (17th ed.) CitationMarx, David S. Let's Look at the Plant World: An Observational Record of the Forces and Factors Behind the Phenomena of Plant Life. First edition. Cincinnati, O.: The Botanic publishing company, 1942.
MLA (9th ed.) CitationMarx, David S. Let's Look at the Plant World: An Observational Record of the Forces and Factors Behind the Phenomena of Plant Life. First edition. The Botanic publishing company, 1942.
Warning: These citations may not always be 100% accurate.