Notes on tulip species

MLA

Dykes, William Rickatson, Elsie Katherine Dykes, and A. Daniel Hall. Notes On Tulip Species. London: H. Jenkins, ltd., 1930.

APA

Dykes, W. Rickatson, Dykes, E. Katherine, & Hall, A. Daniel. (1930). Notes on tulip species. London: H. Jenkins, ltd.

Chicago

Dykes, William Rickatson, and A. Daniel Hall. Notes On Tulip Species. Edited by Elsie Katherine Dykes. London: H. Jenkins, ltd., 1930.