APA (7th ed.) Citation

Alexander, C. P. (1927). Diptera: Fam. Ptychopteridae. By Charles P. Alexander. With 1 plain plate. [Umschlagtitel.]. Louis Desmet-Verteneuil.

Chicago Style (17th ed.) Citation

Alexander, Charles P. Diptera: Fam. Ptychopteridae. By Charles P. Alexander. With 1 Plain Plate. [Umschlagtitel.]. Bruxelles: Louis Desmet-Verteneuil, 1927.

MLA (9th ed.) Citation

Alexander, Charles P. Diptera: Fam. Ptychopteridae. By Charles P. Alexander. With 1 Plain Plate. [Umschlagtitel.]. Louis Desmet-Verteneuil, 1927.

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