APA (7th ed.) Citation

Pettifer, J., & Brown Robin. (1981). Nature watch. Joseph.

Chicago Style (17th ed.) Citation

Pettifer, Julian, and Brown Robin. Nature Watch. London: Joseph, 1981.

MLA (9th ed.) Citation

Pettifer, Julian, and Brown Robin. Nature Watch. Joseph, 1981.

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