David Sander's orchid list.

MLA

Sander, D. F. David Sander's Orchid List. Selsfield: D. Sanders, 1960.

APA

Sander, D. F. (1960). David Sander's orchid list. Selsfield: D. Sanders.

Chicago

Sander, D. F. David Sander's Orchid List. Selsfield: D. Sanders, 1960.