APA (7th ed.) Citation

Muenscher, W. C. L. (1950). Keys to woody plants (6th ed., rev.). Comstock Pub.

Chicago Style (17th ed.) Citation

Muenscher, Walter Conrad Leopold. Keys to Woody Plants. 6th ed., rev. Ithaca, N.Y: Comstock Pub, 1950.

MLA (9th ed.) Citation

Muenscher, Walter Conrad Leopold. Keys to Woody Plants. 6th ed., rev. Comstock Pub, 1950.