APA Citation

Alrich, P., & Higgins, W. E. Pterostylis: An Australia genus.

Chicago Style Citation

Alrich, Peggy, and Wesley E. Higgins. Pterostylis: An Australia Genus.

MLA Citation

Alrich, Peggy, and Wesley E. Higgins. Pterostylis: An Australia Genus.

Warning: These citations may not always be 100% accurate.