Addendum to Sander's list of orchid hybrids 1949-1951.

MLA

Sander, F. W. Addendum to Sander's List of Orchid Hybrids 1949-1951. St. Albans: Royal Orchid Nurseries, 1952.

APA

Sander, F. W. (1952). Addendum to Sander's list of orchid hybrids 1949-1951. St. Albans: Royal Orchid Nurseries.

Chicago

Sander, F. W. Addendum to Sander's List of Orchid Hybrids 1949-1951. St. Albans: Royal Orchid Nurseries, 1952.