APA (7th ed.) Citation

Chapman, P. (1993). Caves and cave life (1. publ.). Harper Collins.

Chicago Style (17th ed.) Citation

Chapman, Philip. Caves and Cave Life. 1. publ. London u.a: Harper Collins, 1993.

MLA (9th ed.) Citation

Chapman, Philip. Caves and Cave Life. 1. publ. Harper Collins, 1993.