APA (7th ed.) Citation

Pasquier, R. F. (1977). Watching birds: An introduction to ornithology. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Pasquier, Roger F. Watching Birds: An Introduction to Ornithology. Boston: Houghton Mifflin, 1977.

MLA (9th ed.) Citation

Pasquier, Roger F. Watching Birds: An Introduction to Ornithology. Houghton Mifflin, 1977.

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