Cita APA

Cust,George, & Bird,Peter. (1972). Tropical fresh water aquaria. Hamlyn.

Chicago Edition Citation

Cust,George, i Bird,Peter. Tropical Fresh Water Aquaria. London: Hamlyn, 1972.

Cita MLA

Cust,George, i Bird,Peter. Tropical Fresh Water Aquaria. Hamlyn, 1972.