APA (7th ed.) Citation

Johansson, J. (1977). The nutrient requirement of greenhouse roses as determined by leaf and soil analysis.

Chicago Style (17th ed.) Citation

Johansson, Jan. The Nutrient Requirement of Greenhouse Roses as Determined by Leaf and Soil Analysis. 1977.

MLA (9th ed.) Citation

Johansson, Jan. The Nutrient Requirement of Greenhouse Roses as Determined by Leaf and Soil Analysis. 1977.

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