APA Style

Schroeder, Richard G., Myrtle W. Clark. (). . : .

Chicago Style

Schroeder, Richard G., Myrtle W. Clark. . : , . .

MLA Style

Schroeder, Richard G., Myrtle W. Clark. . : , . .

Turabian Style

Schroeder, Richard G., Myrtle W. Clark. . : , . .