APA

Clarence J., Goodnigth M. L., .Opilionids (<Phalangida>) from mexican caves. : .

Chicago

Clarence J, Goodnigth Marie L, .Opilionids (<Phalangida>) from mexican caves. : .

Harvard

Clarence J., Goodnigth M. L., .Opilionids (<Phalangida>) from mexican caves. : .

MLA

Clarence J, Goodnigth Marie L, .: . .