APA (7th ed.) Citation

Orchid Society of Papua New Guinea & Millar, A. (1970). Orchids of Papua New Guinea: Text and drawings 1. Orchid Society of Papua New Guinea.

Chicago Style (17th ed.) Citation

Orchid Society of Papua New Guinea and Andree Millar. Orchids of Papua New Guinea: Text and Drawings 1. [Port Moresby]: Orchid Society of Papua New Guinea, 1970.

MLA (9th ed.) Citation

Orchid Society of Papua New Guinea and Andree Millar. Orchids of Papua New Guinea: Text and Drawings 1. Orchid Society of Papua New Guinea, 1970.