Cita APA (7a ed.)

Jaques, H. E. (1951). How to know the beetles: Pictured-keys for identifying many of the beetles which are most frequently seen, with aids for their study and with other helpful features. W. C. Brown.

Cita Chicago Style (17a ed.)

Jaques, Harry Edwin. How to Know the Beetles: Pictured-keys for Identifying Many of the Beetles Which Are Most Frequently Seen, with Aids for Their Study and with Other Helpful Features. Dubuque, Iowa: W. C. Brown, 1951.

Cita MLA (8a ed.)

Jaques, Harry Edwin. How to Know the Beetles: Pictured-keys for Identifying Many of the Beetles Which Are Most Frequently Seen, with Aids for Their Study and with Other Helpful Features. W. C. Brown, 1951.