Symposium on bedding and pot plant culture

MLA

Heins, R. D. Symposium On Bedding and Pot Plant Culture. Wageningen: International society for horticultural science, 1990.

APA

Heins, R. D. (1990). Symposium on bedding and pot plant culture. Wageningen: International society for horticultural science.

Chicago

Heins, R. D. ed. Symposium On Bedding and Pot Plant Culture. Wageningen: International society for horticultural science, 1990.