Cite Them Right 11th edition - Harvard

Nielsen, F. (2009) Functions and Recursive Functions. Springer London. doi:10.1007/978-1-84882-339-6_3.

Chicago Manual of Style 17th edition (full note)

Nielsen, Frank. Functions and Recursive Functions. Springer London, 2009, Springer London, 2009. https://doi.org/10.1007/978-1-84882-339-6_3.

American Psychological Association 7th edition

Nielsen, F. (2009). Functions and Recursive Functions. Springer London. https://doi.org/10.1007/978-1-84882-339-6_3

Modern Language Association 9th edition

Nielsen, F. Functions and Recursive Functions. Springer London, 2009, https://doi.org/10.1007/978-1-84882-339-6_3.

ISO-690 (author-date, Deutsch)

NIELSEN, Frank, 2009. Functions and Recursive Functions. Springer London. ISBN 978-1-84882-338-9978-1-84882-339-61-84882-338-X&1-84882-339-8

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