APA (7th ed.) Citation

Birkby, G., Ponte, A., & Alderson, F. (2008). Good practice guide extensions of time / Gillian Birkby, Albert Ponte and Frances Alderson: Extensions of time. RIBA.

Chicago Style (17th ed.) Citation

Birkby, Gillian, Albert Ponte, and Frances Alderson. Good Practice Guide Extensions of Time / Gillian Birkby, Albert Ponte and Frances Alderson: Extensions of Time. London: RIBA, 2008.

MLA (9th ed.) Citation

Birkby, Gillian, et al. Good Practice Guide Extensions of Time / Gillian Birkby, Albert Ponte and Frances Alderson: Extensions of Time. RIBA, 2008.

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