APA (7th ed.) Citation

Pi i Sunyer, A. (1956). Classics of biology. Philosophical Library.

Chicago Style (17th ed.) Citation

Pi i Sunyer, August. Classics of Biology. New York: Philosophical Library, 1956.

MLA (9th ed.) Citation

Pi i Sunyer, August. Classics of Biology. Philosophical Library, 1956.

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