APA (7th ed.) Citation

Olcott, W. T. (1954). Field book of the skies (4th ed.). Putnam.

Chicago Style (17th ed.) Citation

Olcott, William Tyler. Field Book of the Skies. 4th ed. New York: Putnam, 1954.

MLA (9th ed.) Citation

Olcott, William Tyler. Field Book of the Skies. 4th ed. Putnam, 1954.

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